Latest: Man arrested in connection with Stockholm attack
- A truck has crashed into people in the shopping district of Drottninggatan, in central Stockholm;
- The truck was deliberately driven into crowds of shoppers, security sources have told media;
- Four people have died and 15 people have been injured;
- A man has been arrested in connection with the truck attack
- The country's intelligence service said there was "a large number of injured";
- Shots have also been heard in a separate incident 20 minutes walk from truck crash;
- Swedish Prime Minister Stefan Lofven says everything indicates the truck crash is "a terror attack";
- Nobody has been arrested, but police are questioning two people;
- The truck had been hijacked from Swedish beermaker Spendrups earlier;
A man has been arrested in connection with today's truck attack in Stockholm in which four people were killed and around 12 injured.
Detectives arrested a man who matched the description of the person who they issued an image of in the wake of the onslaught.
A police spokesman said: "The driver of the lorry, we have not made contact with him."
Senior police officer Mats Lofving said: "We don't know whether this incident is isolated or whether we can expect more.
"We have police positioned at several strategic places with a particular risk threat."
Four people have died and 15 people have been injured, nine seriously, Swedish emergency services have said.
Two people are currently being questioned by police, but spokesman Lars Bystrom added: "That doesn't mean they are suspects."
Prime Minister Stefan Lofven said the incident appeared to have been "a terror attack" as police said the driver of the truck had fled.
Taoiseach Enda Kenny has condmned today's apparent terror attack in Stockholm, Sweden.
Several people are thought to have been killed after truck was deliberately driven into crowds of shoppers in the shopping district of Drottninggatan.
"Following the tragic events in Stockholm earlier today I want to offer my solidarity and that of the Irish Government to Stefan Löfven and the Swedish people," he stated.
"We stand with Sweden, and the rest of Europe, in united determination that our values will not be defeated.
"The cowards who perpetrated this attack place no value on our freedom and way of life here in Europe and their view has no place in our society."
Police have issued an image of a man they want to trace in connection with the truck crash in a busy shopping district in the centre of the Swedish capital.

Despite earlier reports and pictures on social media, a police spokesman said there had been no arrests, adding: "For the moment police are searching for a person or persons."
At a press conference national police commissioner Dan Eliasson said: "A truck was driven into Ahlen's department store on Drottninggatan. There are many people injured. We can't confirm numbers of injuries or deaths at this press conference. The medical authorities will confirm that."
"We have no contact with the person or persons who drove the truck," he added.
Senior police officer Mats Lofving said: "We don't know whether this incident is isolated or whether we can expect more.
"We have police positioned at several strategic places with a particular risk threat."
Mr Lofving showed pictures of the man they want to speak to, urging anyone with information to get in touch and saying: "For us it's important to get in touch with this person."
Stockholm journalist Emma Lofgren says it happened in a very busy area.
She said: "It is in the main shopping area of Stockholm, it is also an area where there are a lot of offices, so there would have been a lot of people walking around.
"It is also quite close to the main subway station."
Vu Ly, a 24-year-old student living in Stockholm, witnessed the incident.
He said "it was very intense", and "people were going crazy".
The student, originally from Vietnam, compared the scene to last month's attack in Westminster, adding: "I've never witnessed anything like that with my naked eyes, it was terrible."

Annevi Peterson described people lying dead and injured in the street with blood everywhere.
"I heard the noise, I heard the screams, I saw the people," she told BBC News.
"There was, just outside the store, there was a dead dog, the owner screaming, there was a lady lying with a severed foot.
"There was blood everywhere, there were bodies on the ground everywhere.
"There was a sense of panic, people standing by their loved ones but also people running away."
Eyewitness Serwan Saleme told Sky News: "There was a lot of cars, people were very confused.
"People were everywhere and they (the police) were shouting at people to stay away from the roads.
"All the major stations are closed right now. There is a lot of chaos going on right now. Everyone is shocked."
John Backvid was on the scene moments after the attack before emergency services arrived.
"Some people were on the ground doing CPR," he told BBC News.
"The first thing I felt was a bit of smoke in the air.
"I saw a gathering of people and the car on fire - it was deep in the store and the store fire alarm was on. It was quite chaotic."

One eyewitness, who works on the sixth floor of an office building 100 metres from Ahlens, filmed people running from the scene.
Mikael Anttila, a 49-year-old portfolio manager at bank SEB, told the Press Association he saw several hundred people gathered on the street close to the shop, before they all started running "suddenly ... like ants".
"Then a lot of police started coming. Heavy weapons, civilian police, etcetera," he said.
#SonDakika Stockholm'de kamyon yayaların arasına daldı: Çok sayıda yaralı var. İnsanlar kaçışıyorpic.twitter.com/85l8E3632F
— Yunus Paksoy (@yunuspaksoy) April 7, 2017
Arash Pendari was in an office overlooking Drottninggatan when he realised panic was unfolding in the street below.
The 34-year-old said: "Some of my co-workers heard something outside and I started moving towards the window. I followed them towards the window and I saw a crowd of people moving away from the shopping centre, quickly running.
"Security were there and police were there quickly moving everybody away from the area.

"Then we started looking out and saw the fire trucks coming, the police cars coming, people driving out of the area quickly, honking and so on."
He added that the surrounding shops were evacuated shortly afterwards and he was told to stay in the office.
Attaque au camion à Stockholm, des morts https://t.co/X1xrq3NxUN pic.twitter.com/YE6P7MAcyi
— Wade Babacar descendant de Eve Génétic et Homo 1 (@babswad) April 7, 2017
Swedish broadcaster SVT reported that at least five people had been killed but police could not immediately confirm.
The Aftonbladet newspaper reported that the truck had been hijacked from Swedish beermaker Spendrups earlier today.
The lorry ploughed into the Ahlens department store which is part of a country-wide chain.
Witness Jan Granroth told Aftonbladet that "we stood inside a shoe store and heard something ... and then people started to scream." He said: "I looked out of the store and saw a big truck."

Another witness quoted by the paper said: "When I came out I saw a lorry standing there, with smoke coming from it, and there were loads of bits of cars and broken flower pots along the street."
Another witness said: "People are lying mowed down along the whole route. CPR is being given and rubbish bags are being used to cover the lifeless bodies."
#BREAKING: #Sweden PM says 1 arrested in fatal #Stockholm truck attack that killed 3; Said everything indicates "a terror attack" (@AP) pic.twitter.com/9WYy3Sp5SL
— Dan Snyder (@DanSnyderTV) April 7, 2017
British national Itay Lotem was nearby when the lorry ploughed into pedestrians in the centre of the city.
"I was sitting in a cafe, I just suddenly saw people coming in and talking about a lorry that had driven into people," he told BBC News.
"I walked out and there were many people in that street, it's a pedestrian street.
"Very quickly police cordoned everything off."
Office worker JP Hanson described the scene as mayhem and said his building has been put into lockdown.
"Right now, inside here we have maybe 40 people," he told BBC News.
"The mood is quite positive, obviously people are afraid - but I would say it's a strong mood."
At least five people are dead and many more injured after a terror attack which saw a hijacked lorry plough into pedestrians in Stockholm.
Swedish Prime Minister Stefan Lofven said it appeared the crash was "a terror attack" and the country's intelligence service said there was "a large number of injured".
Mr Lofven said a suspect had been arrested in connection with the attack.

Irish people in Stockholm are being advised to stay in a safe place indoors.
The Irish Embassy in the city says its monitoring the ongoing situation.
Anyone with concerns is asked to contact the embassy locally or the Department of Foreign Affairs on Dublin 408 2000.
Media reports say that shots were heard in a separate incident in an area a 20-minute walk away from where the truck crash happened.
Blood stains were visible on the streets along with bodies covered in blankets in the aftermath of the incident.
Paramedics could also be seen tending to the injured near the lorry, which was embedded in the corner of a shopping mall with its cab burning.
Swedish Prime Minister Stefan Lofven has said everything indicates that the Stockholm truck crash is "a terror attack".
Local journalist Peter Wolodarski has said the truck was crashed into the Olens department store in the city.
Pools of blood were visible on the street along with bodies covered in blankets.
Paramedics could also be seen tending to the injured near the truck.
Jan Granroth told Aftonbladet: "We stood inside a shoe store and heard something ... and then people started to scream.
"I looked out of the store and saw a big truck."
Pictures on social media showed the lorry had crashed into the corner of Mall with its cab on fire.
Media reports say that security sources believe the truck crash was deliberate.
The crash is close to the scene of a terror attack in 2010 when Taimour Abdulwahab, a Swedish citizen who lived in Luton, England, blew himself up.
The terrorist, who police concluded acted alone, died on December 11 2010 in the Bryggargatan area. No-one else was killed.
Abdulwahab rigged an Audi car with explosives in the hope that the blast would drive people to Drottninggatan, a busy shopping street, where he was waiting to set off two more devices strapped to his chest and back.

The car bomb never went off and, after setting fire to the Audi, he was unable to detonate the other two explosives as planned.
He made his way down a side street off Drottninggatan and, in an apparent attempt to fix the faulty trigger up his sleeve, set off the bomb on the front of his body, killing only himself.
VIDEO: Truck crashes into crowd of people in Stockholm VIDEO AFTER! BREAKING NEWS! 2017/07/04 https://t.co/47tLGX6ttU via @veedsapp
— De Oudjes 🍀🌻🌹 (@DeOudjes) April 7, 2017
An Aftonbladet reporter on the scene said police suspected the crash was terror related.
At least two people have been killed in the Stockholm truck crash and shots have been fired, Swedish radio reported.
A number of people have also been injured after the truck was driven into crowds in Stockholm, police and eyewitnesses said.
Police said a number of people had been hurt in the incident, which comes after trucks were used in terror attacks in Nice and Berlin last year.
The incident was in Drottninggatan, in a shopping district in the centre of the Swedish capital.
Not good news Stockholm https://t.co/wqFsgnT9yJ
— Grant Simpson (@garsimpson) April 7, 2017
Swedish newspaper Aftonbladet quoted a witness saying they saw hundreds of people running for their lives near the Ahlens mall
Another witness told the newspaper that the out-of-control truck ran over at least two people.
"There Are Dead People In The Street" - Truck Hits Crowd In Stockholm - Live Feed https://t.co/DXXKNJQk7V
— zerohedge (@zerohedge) April 7, 2017





