4:35PM EST: A firefighter is dead and five others have been hurt battling a warehouse blaze in Bushwick.

All six were taken to Woodhull Hospital. Two were in critical condition and four were in serious condition when they were taken to the hospital.

Sources tell CBS 2 that a FDNY lieutenant was one of the firefighters inside the warehouse battling the blaze. Minutes after the lieutenant emerged from the warehouse, he went into cardiac distress. He was taken to the hospital and died.

The 3-alarm blaze broke out at around on Flushing Avenue in Bushwick at around 1 p.m. and was brought under control just before 4 p.m.

3:55PM EST: Six firefighters have been injured, including one reportedly taken to the hospital in cardiac arrest, while fighting a warehouse fire in Brooklyn, authorities said.

A large pile of cardboard boxes reportedly caught fire on the second floor of the two-story warehouse on Flushing Avenue in Bushwick.

Six firefighters were hurt and taken to Woodhull Hospital for treatment of injuries. The fire is under control.

(Source: NBC New York)