President Barack Obama told mourners in Boston today that everyone had been touched by the attack on their beloved city.

But current foreign leaders are less well represented at service

The Pakistan Taliban, which claimed responsibility for a 2010 bomb plot in New York, has denied involvement in the Boston marathon attack.

President Barack Obama vowed today that the United States will find out who carried out explosions in Boston and will hold them accountable, and a White House official said the twin blasts are being treated as an "act of terror."

The Boston Marathon began with 26 seconds of silence for the victims of the Sandy Hook shootings and a little more than two hours later, lead runners passed through the last mile marker while was decorated with the seal of Newtown, Connecticut, and dedicated to the memory of the 20 children and six adults killed on December 14.

Wear, what, why, when?

Mr Fayyad has quit after clashes with Palestinian President Mahmoud Abbas

Margaret Thatcher’s daughter Carol has thanked well-wishers for their sympathy and support ahead of her mother’s funeral at St Paul’s Cathedral on Wednesday, saying she was prepared for a “tough and tearful week, even for the daughter of the Iron Lady”.

Wikipedia rewrites, nightclub snobbery – it’s been a tough run for the MP. So why has it hit now?

This satire of exile, race and ambition sees a strange America through a keen outsider's eyes

The rising Labour star has complained about the comparison in the past

Top secret documents show that half of those killed in a year were 'unknown extremists'

The impact of $85bn (£55bn) of spending cuts, which began hitting the American economy at the beginning of March, was felt inside a New York courtroom this week, when it emerged that the trial of Osama bin Laden’s son-in-law could be delayed because of the fiscal impasse in Washington.