Two explosions were reported just before 3 p.m. near the Boston Marathon finish line, with reports of at least a half dozen people injured.
According to WCVB, the explosions happened at 2:50 p.m. near the intersection of Boylston and Exeter streets. There were reports of victims losing limbs in the blasts. Many of the injured appear to be spectators.
WCVB reported that the first blast occurred outside the Lenox Hotel, and the second one happened 15 seconds later.
Rows of ambulances can be seen in live reports taking victims to Massachusetts General Hospital.