MICHELE NORRIS, host: From NPR News, this is ALL THINGS CONSIDERED. I'm Michele Norris.</s>ROBERT SIEGEL, host: And I'm Robert Siegel. In London today, commemorations one year after deadly suicide bombings hit the heart of the city.</s>ROBERT SIEGEL, host: In Regent's Park, Londoners gathered to remember the victims. The BBC's Peter Donaldson read the names of the 52 people who were killed.</s>Mr. PETER DONALDSON (Newsreader, BBC): At Aldgate, Lee Baisden. Benedetta Ciaccia. Richard Ellery. Richard Martin Gray. Anne Moffat.</s>ROBERT SIEGEL, host: At noon, the tolling of Big Ben signalled two minutes of silence, observed across the country.</s>ROBERT SIEGEL, host: The four bombers blew themselves up during the morning commute, targeting three subway trains and a doubledecker bus. Londoner Rachel North is one of those who survived. At 8:50 a.m. on that day, she was on her way to work, riding a train on the Piccadilly Line.</s>Ms. RACHEL NORTH (Survivor, London Bombings): There was a tremendous force or blow to my head. I was too close to the bomb to hear a bang. Everything went black and I found myself on the ground, covered in bodies of people and the bodies were alive and they were wriggling.</s>ROBERT SIEGEL, host: More than 700 people were injured that day. The investigation continues into how the attack was carried out and whether the bombers were associated with al-Qaida. In a video released today, an al-Qaida leader says that two of the four suicide bombers spent time at an al-Qaida camp.
One year ago, four suicide bombers blew themselves up in London. They hit three subway trains and one bus, killing 52 people. Commemorations were held today at the sites of the bombings, and in a London park. The country also observed two minutes of silence. We listen to sounds from July 7, 2005.