NEW YORK (CBSNewYork) — Firefighters are on the scene of a manhole explosions on the Lower East Side.

It happened around 5:40 a.m. Tuesday in the area of Second Avenue and First Street.

Four manhole covers were blown off, but there are no reports of any smoke, fire or power outages, CBS2’s Jim Smith reported.

Second Avenue is closed between First and Second streets while the FDNY investigates.