Slovakia's Prime Minister Robert Fico has accused the country's president of destabilising the nation after the killings of an investigative journalist and his fiancee.

A journalist shot dead in Slovakia was working on a story about the activities of Italian mafia in his country and their links to people close to Slovakian Prime Minister Robert Fico.

Police reinforcements have arrived in the French port city of Calais after clashes among migrants left 22 people injured, with the government warning of more potential violence among those seeking to cross into the UK.

American spies were so grateful they sent the Dutch cake and flowers, reports say.

A UN Security Council emergency meeting on the protests in Iran showed Tehran "the world will be watching" its actions, the US ambassador has said.

A Spanish judge has ordered that four prominent members of the Catalan independence movement should remain in custody, including the vice-president of the ousted regional government.

The Portuguese government minister in charge of emergency services has resigned after 106 people were killed in wildfires this year.

The centre-right party headed by foreign minister Sebastian Kurz has won Austria's national election, putting the 31-year old on track to become Europe's youngest leader, the country's interior ministry said.

The attacker was killed by soldiers after Sunday's stabbings, which were claimed by the Islamic State group.

Latest: A man who stabbed two women to death at Marseille's main railway station had been arrested and released the day before the attack, French officials have said.

Barcelona's mayor Ada Colau has demanded "an immediate end to police charges against the defenceless population".

Latest: Catalonia "has won the right to become an independent state", the Spanish region's leader Carles Puigdemont said.

Latest: Georgia has become the latest U.S state to be placed on hurricane alert.

A tip from a handyman has led French police to a possible explosives laboratory south of Paris and the arrests of two people.

Austrian foreign minister Sebastian Kurz has urged his Italian counterpart not to allow migrants arriving by boat to Italy's islands to travel on to the mainland, declaring that "being saved in the Mediterranean cannot be connected with a ticket to Central Europe".

Tens of thousands of peaceful protesters took to the streets to demonstrate against the G20 summit in Hamburg, hours after masked rioters clashed with police, burned cars and looted businesses.

Germany is a big target of spying and cyber attacks by foreign governments such as Turkey, Russia and China, a government report has said, warning of “ticking time bombs” that could sabotage critical infrastructure.

Spanish authorities are hopeful that dropping temperatures and favourable winds will help firefighters battling to extinguish a major forest fire on the fringes of one of Europe's most celebrated conservation wetlands.

At least 40 people have been killed in twin explosions near religious shrines frequented by Shiite pilgrims in the Syrian capital, Damascus, according to Syria's interior minister and media reports.

A huge manhunt is taking place in Turkey after a gunman targeted a crowded Istanbul nightclub during New Year celebrations, killing at least 39 people before fleeing.

Turkish police are hunting a gunman who opened fire at an Istanbul nightclub during new year celebrations, killing at least 39 people

German authorities say more than 54,000 migrants, including failed asylum-seekers, have received approval for government funding to return to their homeland this year, paving the way for a significant increase in voluntary departures.

Update 10.38pm: A truck has rammed into a crowded Christmas market in central Berlin, killing at least nine people as it tore through tables and wooden stands.

Tourists from the UK, Canada and Malaysia hid inside a Crusader castle during armed clashes between troops and gunmen at the Jordanian site, officials have said.

Twin attacks by a suicide bomber and a car bomber near an Istanbul football stadium have killed 38 people.

Update 9.05pm: It is being reported at least 13 people have been killed following an explosion in Istanbul.

Italian police have arrested the fugitive boss of a powerful 'Ndrangheta clan who ran illegal operations from the southern Calabria region north to Lombardy.

Politicians in the lower house of the Dutch parliament have approved a limited ban on "face-covering clothing" including Islamic veils and robes such as the burqa and niqab.

Two suspects - one a school employee - arrested in a probe into an alleged attack plot in France apparently travelled briefly to Syria, officials said.

Scuffles broke out in the Jungle camp in Calais less than an hour after French authorities began a fresh round of processing refugees and migrants to be driven away.

The house where Adolf Hitler was born will be torn down and replaced with a new building that has no association with the Nazi dictator, Austria's government has announced.

An autopsy has confirmed that a 22-year-old Syrian man who was believed to have been plotting a bombing attack killed himself in his jail cell in Leipzig, German authorities say.

A Syrian man suspected of planning a bomb attack was checked by a trainee guard 15 minutes before he was found dead in a German jail cell, authorities say.

A Syrian man arrested in Germany over a suspected Islamic extremist bomb plot has killed himself in a prison cell in Leipzig, according to Saxony's state Justice Ministry.

France's top administrative court has overturned a ban on burkinis in a Mediterranean beach resort, effectively meaning that towns can no longer issue bans on the swimsuits that have divided the country and brought world attention to its fraught relationship with Muslims.

Security officials from German chancellor Angela Merkel's conservative bloc are proposing a ban on wearing the burka and other face-covering veils in schools, courts, while driving and in other situations.

Germany has proposed stripping dual nationals who fight for extremist groups abroad of their citizenship.

At least 13 people have been killed and six others were injured after a fire swept through the basement of a bar in the French city of Rouen.

The Islamic State group has claimed responsibility after a Syrian blew himself up outside a wine bar, injuring 15 people.