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 has gone on trial over the Boston Marathon bombing, with prosecutors saying he used a backpack to plant a bomb designed to “tear people apart and create a bloody spectacle”.

Lawyers for the Boston Marathon bombing suspect have asked a judge to dismiss the indictment against their client or suspend his trial, saying there are not enough minorities and younger people in the jury pool.

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