BOSTON (AP) - Bloodied victims are carried on stretchers and pushed in wheelchairs to safety. Police clear the scene strewn with debris and broken glass. Here are some images from the bombing at the Boston Marathon finish line.
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People react as an explosion goes off near the finish line. Two explosions went off at the Boston Marathon finish line on Monday, sending authorities out on the course to carry off the injured while the stragglers were rerouted away from the smoking site of the blasts. (AP Photo/The Boston Globe, David L Ryan)
Bill Iffrig, 78, lies on the ground as police officers react to a second explosion at the finish line of the marathon. Iffrig, of Lake Stevens, Wash., was running his third Boston Marathon and near the finish line when he was knocked down by one of two bomb blasts. (AP Photo/The Boston Globe, John Tlumacki)
An injured person is helped on the sidewalk near the finish line following the explosion. (AP Photo/MetroWest Daily News, Ken McGagh)
A competitor and Boston police run from the area. (AP Photo/MetroWest Daily News, Ken McGagh)
One of the blast sites on Boylston Street near the finish line is investigated by two people in protective suits in the wake of the two blasts. (AP Photo/Elise Amendola)
An unidentified Boston Marathon runner, center, is reunited with loved ones near Copley Square. (AP Photo/Winslow Townson)
An unidentified Boston Marathon runner leaves the course crying near Copley Square. (AP Photo/Winslow Townson)
Justine Franco of Montpelier, Vt., holds up a sign near Copley Square in Boston looking for her missing friend, April. (AP Photo/Winslow Townson)
Medical workers aid an injured man at the finish line. (AP Photo/Charles Krupa)
Boston police clear an area. (AP Photo/Charles Krupa)
Medical workers aid injured people. (AP Photo/Charles Krupa)