AP source: Arrest imminent in marathon bombings
By DENISE LAVOIE, Associated Press
Apr 17, 2013 12:46 PM CDT
Bridget Wood, 18, of Boston, holds candles during a vigil the victims of the Boston Marathon explosions at Boston Common, Tuesday, April 16, 2013. (AP Photo/Julio Cortez)   (Associated Press)

A law enforcement official briefed on the investigation says a suspect in the Boston Marathon bombings is about to be arrested.

The official spoke to The Associated Press on condition of anonymity Wednesday. The official was not authorized to divulge details of the investigation.

The official says the suspect is to be taken into custody by federal marshals and taken to a courthouse.

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