Times Square blast possibly caused by a cyclist

Law enforcement officials tell ABC News that a single, small improvised device was tossed, apparently by a man on a bike, at the armed forces booth in Times Square early this morning, causing the center of midtown Manhattan to be locked down and subways to be diverted but no major property damage.

Sources tell ABC News that the device was made from a green ammunition can filled with explosive powder. It blew out the lower part of the glass — it’s being described as a “low explosive.”

Witnesses staying at a Marriott hotel four blocks away told The Associated Press they heard, and felt the blast.

“I was up on the 44th floor and I could feel it. It was a big bang,” Darla Peck, 25, of Portland, Ore., told the AP.

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