The lawyer overseeing the Boston Marathon bombings victims’ fund says the families of three people who died could each receive well over $1m (€760,000).

Former teachers of one of the students from Kazakhstan arrested in connection with the Boston Marathon bombings have described him as an easygoing teenager who distinguished himself mainly by his failing grades in maths and science.

One of three college students arrested in the Boston Marathon bombings case was allowed to return to the US from Kazakhstan in January despite not having a valid student visa.

FBI agents investigating the Boston Marathon bombings have visited the home of dead suspect Tamerlan Tsarnaev's in-laws and carried away several bags.

Two men were have been arrested and charged with plotting a terrorist attack against a Canadian passenger train with support from al Qaida, police said tonight.

The 19-year-old college student wanted over the Boston Marathon bombings is seriously ill in hospital and unable to be questioned after a manhunt that left the city virtually paralysed and his older brother and accomplice dead.

The sound of gunfire has been reported in Watertown, Massachusetts, where authorities have been searching for a suspect in the Boston Marathon bombings.

The uncle of two men suspected of carrying out the Boston Marathon bombings has called on his nephew to turn himself in.

The uncle of two men suspected of carrying out the Boston Marathon bombings has called on his nephew to turn himself in.

A police officer has been shot dead and armed police have converged on a neighbourhood near Boston amid reports of explosive devices being used against them.

The FBI has released photos of two suspects in the Boston Marathon bombings and is seeking the public's help to identify them.

It has been reported that a US man accused of mailing letters with suspected ricin to national leaders including Barack Obama believed he had uncovered a conspiracy to sell human body parts on the black market, and claimed “various parties within the government” were trying to ruin his reputation.

The father of one of the three people who died in the Boston Marathon bombings was at first told that his daughter had survived, but was in surgery and could lose a leg.

London Marathon chief executive Nick Bitel is confident Sunday’s race will be safe and live up to its reputation as an event at which “humanity can be united”.

The net was last night closing in on at least one individual believed to be responsible for the Boston Marathon bombings which claimed the lives of three people and injured 176 others in the worst attack on US soil since 9/11.

US officials are denying that a suspect is in custody in connection with the deadly Boston Marathon bombings.

A suspect has been taken into custody in connection with the Boston Marathon bombings, US law enforcement sources said.

Investigators have said that a suspect has been arrested in connection with Monday's Boston Marathon bombings, according to US media reports.

The third person killed in the Boston Marathon bombings was a graduate student at Boston University who was originally from China’s northeastern city of Shenyang, a state-run Chinese newspaper reported today.

An Irish runner caught up in the Boston marathon attack has vowed to compete in the event next year.

As the FBI launched a hunt for those responsible for the Boston Marathon bombings, US President Barack Obama said: “We will find out who did this. We’ll find out why they did this. Any responsible individuals, any responsible groups, will feel the full weight of justice.”

“Several amputations” had to be performed on victims of the Boston Marathon bombings, Massachusetts General Hospital has said.