Latest updates from Boston
Updated: Tuesday, April 16 2013, 10:51 PM EDT
BOSTON (NEWSCHANNEL 3) - Minute by minute, new details emerge about Monday's bombings at the Boston Marathon, which killed 3 and injured more than 170.
The President called the bombings an act of terrorism, but the question remains: who's responsible?
At this time, investigators are searching for a suspect and a motive, asking for photos and videos taken at and around the Boston Marathon finish line to help with the investigation.
Vinita Nair joined us from the scene in Boston with more information about the bombs used in the attack.