URGENT >> BULLETIN >> MOVING: There are multiple reports of explosions at the Boston Marathon, with accompanying reports of injuries.
U.S. television networks have interrupted regularly scheduled programming to bring breaking news. The situation is fluid. The cause is not yet known . . .
The Boston Marathon is held each year on Patriot’s Day and is one of the most famous foot races in the world.
Feed from US News & World Report.
UPDATE: APPROX. 4:10 P.M. The Boston Police Department, via Twitter, is reporting at least 23 injured and two dead.
UPDATE: APPROX. 4:18 P.M. NBC News, via Twitter, is reporting that “Small homemade bomb is preliminary cause of explosion at Boston Marathon, law enforcement officials tell NBC News.”
UPDATE: APPROX. 4:50 P.M. On NBC, Massachussets Gov. Deval Patrick described today’s events at the marathon as an “attack.”
UPDATE APPROX 5 P.M. The Associated Press is reporting that “cellphone service has been shut down in the Boston area to prevent any potential remote detonations of explosives.” The report quotes “a law enforcement official.”