President Barack Obama says America’s Federal Bureau of Investigation is investigating the bomb attacks at the Boston Marathon. President Obama called the bombings “an act of terrorism,” and a "heinous and cowardly act." But he said officials do not yet know who carried out the attack or why. FBI officials say the investigation will be worldwide. The explosions killed three people and wounded more than 170 others.
The Learning English program “As It Is” will have a special report on the Boston bombings at 22:30 UTC Tuesday.
Boston Marathon Explosions
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Medical workers wheel the injured across the finish line during the 2013 Boston Marathon following an explosion, April 15, 2013.
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Medical workers aid an injured woman at the finish line of the 2013 Boston Marathon following two explosions there, April 15, 2013.
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Medical workers aid injured people at the finish line of the 2013 Boston Marathon following an explosion in Boston, April 15, 2013.
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An unidentified Boston Marathon runner leaves the course crying near Copley Square following an explosion, April 15, 2013.