A fire in Bay Ridge, Brooklyn turned deadly overnight, and the FDNY says parked cars were blocking two of the closest hydrants.

Parking scofflaws turn a fire fatal. The public could help, if the Council would pass a bill creating citizen enforcement.

A 37-year-old man was killed and a woman and toddler critically hurt when a fire ripped through their Brooklyn apartment building early Sunday — and FDNY officials say two SUVs parked at fire hydrants hampered their ability to fight the blaze.

"There’s no doubt that the cars that were parked on the hydrants have slowed down our members from engaging in firefighting tactics,” said FDNY Commissioner Robert Tucker