From Press Conference with Governor Patrick and Boston PD on explosions:
From Commissioner of Police : At about 2:50 PM, near simultaneous explosions 50-100 yards apart near finish line.
All victims moved from scene. Officers at hospitals to talk to witnesses and be in touch with family members.
Activated set response, called FBI, State Police, both sent resources.
3rd incident: explosion JFK library. Ongoing event. Not certain related. Treating like they are.
Recommend people stay home. Don't go anyplace an be in large crowds.
Numbers to call:
617-635-4500, Mayor's hotline, for trying to locate people who may have been hurt
800-494-8477, Anyone who saw anything or knows anything that might help solve crime
ATF there. National Guard securing perimeter.
After explosion, people were running from scene and left bags and parcels. All being considered suspicious and being checked. Nothing found in any abandoned bags yet.
Be calm, understand ongoing event. Need all info. they can get.
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From Gov. Patrick: President Obama called. Will have full cooperation of FBI and ATF (already there)
Stay out of crowds, calmly make your way home or to your hotel. Hotel security will be in place. Use tip lines.
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Questions from Reporters:
No specific vehicle they're looking for at this time.
No number of casualties.
JFK Library explosion about 4 or so?
Controlled explosion on Boyle (sp?) street. But ongoing checks of abandoned bags, so there may be controlled explosions throughout rest of day.
No injuries at JFK library.
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Now from Chris Matthews, MSNBC:
Doesn't seem to have anything new. Some major injuries, including severed limbs.
Now onto speculating with former FBI profiler: white smoke, indicates low-level device, not something like military grade c-4; could be on timer, went off about an hour after initial winner crossed finish line; went off at point when maybe half runners had crossed finish; could have had cellphone detonator; Patriot's Day in Boston, schools and government offices closed, notes not just Americans running in race but lots of international runners, too;
2:28 PM PT: Eyewitness, runner who crossed line just ahead of explosion: explosions about 3 minutes apart, explosion about 20 feet in the air, volunteers did great job getting runners out of area,
2:30 PM PT: More from runner: took him 90 minutes to get back to his hotel, crowded in the area with runners and emergency workers
2:44 PM PT: I know the runner said the explosions were about 3 minutes apart, but obviously his perception was off. Video showing now of the explosions, clearly heart, a matter of seconds apart, not 3 minutes.