At least three people were killed and dozens were injured when two bombs exploded near the finish line of the Boston Marathon Monday afternoon.Latest estimates claim more than 140 were injured in a terrifying scene of shattered glass, billowing smoke, bloodstained pavement and severed limbs, authorities said.PHOTOS: Aftermath of the Marathon ExplosionsA senior U.S. intelligence official said two other explosive devices were found near the end of the 26.2-mile course.At the White House on Monday, President Barack Obama vowed that those responsible will "feel the full weight of justice."There was no word on the motive or who may have launched the attack, and police said no suspect was in custody. Authorities in Washington said there was no immediate claim of responsibility."They just started bringing people in with no limbs," said runner Tim Davey, of Richmond, Va. He said he and his wife, Lisa, tried to keep their children's eyes shielded from the gruesome scene inside a medical tent that had been set up to care for fatigued runners, but "they saw a lot.""They just kept filling up with more and more casualties," Lisa Davey said. "Most everybody was conscious. They were very dazed."The twin blasts at the race took place almost simultaneously and about 100 yards apart, tearing limbs off numerous people, knocking spectators and at least one runner off their feet, shattering windows and sending smoke rising over the street.Some 23,000 runners took part in the race, one of the world's oldest and most prestigious marathons. One of Boston's biggest annual events, the race winds up near Copley Square, not far from the landmark Prudential Center and the Boston Public Library. It is held on Patriots Day, which commemorates the first battles of the American Revolution, at Concord and Lexington in 1775.According to the marathon's website, more than 80 runners from Oklahoma registered for the race - about a dozen of them were from the Tulsa area.Staff and Wire Reports
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