Moments after being blasted into the air “like a rocket” in the Boston Marathon bombing, nurse Jessica Kensky saw that her husband’s leg had been blown off and leaped into action, struggling to put a tourniquet on him, she testified.

A man who became one of the lasting images of the Boston Marathon bombing when he was wheeled away, ashen-faced, his legs severely injured, has told a court that he locked eyes with the bomber’s older brother before the explosives went off.

Dzhokhar Tsarnaev went on trial for his life in the Boston Marathon bombing with his own lawyer bluntly telling the jury he committed the crime. But she argued he had fallen under the influence of his older brother.

Potential jurors stared intently at Boston Marathon bombing suspect Dzhokhar Tsarnaev as jury selection in his federal death penalty trial began under tight security.

A friend of Boston Marathon bombing suspect Dzhokhar Tsarnaev is believed to have provided the handgun used to kill a Massachusetts Institute of Technology police officer during the manhunt.

A college friend was convicted of trying to protect Boston Marathon bombing suspect Dzhokhar Tsarnaev by agreeing with another friend to get rid of items they took from his room three days after the attack.

AUSTRALIA:

Nearly 36,000 runners set out from the Boston Marathon starting line with security tight along the 26.2-mile course in a show of resilience a year after the bombing that turned the race into a scene of carnage.

Lawyers for Boston Marathon bombing suspect Dzhokhar Tsarnaev have asked a judge to make prosecutors turn over family-related evidence as they try to build a case that his older brother was the “main instigator” of the deadly attack.

A judge has set a November trial date for Boston Marathon bombing suspect Dzhokhar Tsarnaev.

Federal prosecutors have said they will seek the death penalty against Dzhokhar Tsarnaev over the Boston Marathon bombing.

AS 2013 closes, here is my countdown of what were the stories that left the most impression on me during the year.

Boston Marathon bomb suspect Dzhokhar Tsarnaev’s lawyers may try to save him from the death penalty by arguing he fell under the murderous influence of his older brother, legal experts say.

Boston Marathon bomb suspect Tamerlan Tsarnaev took part in an earlier triple murder, according to a man subsequently shot dead while being questioned by authorities.

Groups such as Europol identify clues that help predict who the possible terrorists of the future could be. Cormac O’Keeffe talks to Pat Byrne, the head of Europol’s US office

Boston Marathon bombing suspect Dzhokhar Tsarnaev, his arm in a cast and his face swollen, pleaded not guilty in his first appearance in public since his capture in mid-April.

His arm in a cast, Boston Marathon bombing suspect Dzhokhar Tsarnaev pleaded not guilty to terrorism charges yesterday in his first courtroom appearance since his capture at the end of a chaotic week in April.

Boston Marathon suspect Dzhokhar Tsarnaev downloaded bomb-making instructions from an al-Qaida magazine, legal documents revealed.

A federal grand jury has returned a 30-count indictment against the surviving suspect in the Boston Marathon bombings.

The Boston Marathon bombings could have been prevented if US officials had followed through on Russian intelligence, a senior Moscow official has said.

A Chechen immigrant shot dead in Florida after a confrontation with an FBI agent had ties to one of the Boston Marathon bombing suspects, and was being questioned at the time of the shooting.

A Chechen immigrant was shot to death by authorities while being questioned in the Boston Marathon bombing case yesterday after he lunged at an FBI agent with a knife, officials said.

Taoiseach Enda Kenny has laid a wreath at the memorial to those killed or injured in the Boston Marathon bombing.

A new lawyer for the widow of Boston Marathon bombing suspect Tamerlan Tsarnaev says his client will co-operate with investigators.

Boston Marathon bombing suspect Tamerlan Tsarnaev has been buried in an undisclosed location outside the city of Worcester, police said after a frustrating week-long search for a community willing to take the body.

Boston’s mayor does not want marathon bombing suspect Tamerlan Tsarnaev buried in the city, an aide said.

Cemeteries across the state of Massachusetts are refusing to accept the body of suspected Boston Marathon bomber Tamerlan Tsarnaev for burial.

The uncle of Boston Marathon bombing suspect Tamerlan Tsarnaev has arrived in Massachusetts to arrange for his burial.

A funeral home director was today trying to find a cemetery that would bury a suspect in the Boston Marathon bombings.

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).

The body of Boston Marathon bombing suspect Tamerlan Tsarnaev, who was the subject of a massive manhunt and died after a gun battle with police, has been claimed.

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.

Three men who attended college with the Boston Marathon bombs suspect have been charged in connection with the case.

Three more suspects have been arrested in the Boston Marathon bombing case, including two college friends of captured gunman Dzhokhar Tsarnaev.

Three more suspects have been arrested in the Boston marathon bombings investigation.

Relatives of the dead Boston Marathon bombing suspect will claim his body now that his wife has agreed to release it, an uncle said yesterday.

A leading anti-death penalty lawyer who has managed to get life sentences for several high-profile criminals has joined the defence team representing the Boston Marathon bombing suspect.

A leading anti-death penalty lawyer who has managed to get life sentences for several high-profile criminals has joined the defence team representing the Boston Marathon bombing suspect.

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

The mother of the Boston Marathon bombing suspects insists that her sons are innocent and that she is not a terrorist.

A week after her father, Tamerlan Tsarnaev, allegedly set off a bomb at the Boston Marathon, killing three and injuring hundreds, three-year-old Zahara Tsarnaev was seen happily playing on a slide in her grandmother’s yard in Rhode Island.

US intelligence agencies added the mother of the Boston bombing suspects to a government terrorism database 18 months before the bombings, two officials said.

The surviving Boston Marathon bombings suspect has been released from a civilian hospital and transferred to a federal medical detention centre, officials say.

The two men accused of carrying out last week’s bombing of the Boston Marathon planned a second bomb attack on New York’s Times Square, New York City mayor Michael Bloomberg said yesterday.