Building Explodes, Collapses in New York City [UPDATE]

UPDATE 12PM: 

Two people are dead, as many as 20 are hurt and others are missing after an explosion triggered the collapse of two buildings in New York City.

Con Edison confirms it was responding to a report of a gas odor in the area just before the explosion occurred in East Harlem.

More than 100 firefighters are battling the flames.

Members of the Joint Terrorism Task Force are on the scene, though there's no official word on what caused the blast.

Train service in the area is suspended due to debris on the tracks.

ORIGINAL STORY: 

Metro News - Fire officials are on the scene of a building explosion and fire near the Metro North train tracks in East Harlem.

Firefighters are working to put out flames near Park Avenue and East 116th Street.

There is debris scattered everywhere and the building looks completely destroyed. There may be people trapped under the debris.

Fire officials report at least eleven injuries, and people are being treated at the scene.

Harlem and New Haven Line Service is suspended into and out of Grand Central Terminal until further notice.

There is no word what caused the explosion.