Video: Explosion on subway after bicycle tossed onto tracks in Queens

ASTORIA, Queens (WABC) -- Dramatic video shows an explosion in the subway apparently caused by a bicycle being thrown on the tracks in Queens.

It happened Sunday night at the Steinway Street station in Astoria.

Two trains, a Manhattan-bound R train and a Forest Hills-bound R train, hit the CitiBike or parts of bicycle.

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"This was an attack on all of New York City that took place in the transit system," MTA spokesperson Tim Minton said. "The miscreants who threw that bike in the path of an oncoming train should be prosecuted for their reckless disregard for safety of subway riders and workers."

The NYPD said the incident is under investigation.