Boston Shooting: Ongoing Violent Incident Possibly Involves Gunfire Or Explosives

A major violent attack has been reported in Boston separate from the MIT shooting that occurred earlier. Details are sparse but local news is reporting gunfire and explosives.

ABC 5 news had this story quickly up:

"NewsCenter 5's Sean Kelly reported shots fired and explosive devices being detonated in Watertown."

Twitter was quick to let information out:

Boston Channel 7 News just tweeted this picture from the apparent crime scene:

The local Boston ABC affiliate is broadcasting similar reports:

We will update you as further details come through. This is a developing story.