Screen Shot 2013-04-16 at 9.13.12 AMThe White House does not yet know who planned and carried out explosions at the Boston Marathon, but is handling the incident as “an act of terror,” a White House official said on Monday.

“… we don’t yet know who carried out this attack, and a thorough investigation will have to determine whether it was planned and carried out by a terrorist group, foreign or domestic,” the official said.

Twin bombs ripped through the end of the Boston Marathon, near the finish line, injuring at least 141 people and killing three, including an 8-year-old boy. Hundreds of spectators fled the scene while others helped carry victims to help.

President Barack Obama, who was careful not to use the word “terrorism,” said he had directed the “full resources of the federal government” to help protect the people of Boston following twin bombings at the finish line of the Boston Marathon.

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