A man was gunned down in Brooklyn overnight, police said.

Cops responding to a 911 call of shots fired in the vicinity of Clarkson Avenue and East 52nd Street in East Flatbush at around 2:10 a.m. Saturday found 40-year-old Anthony Lancaster shot twice in the back and once in the head, authorities said.

The Brooklyn man was pronounced dead at the scene, cops said.

There were no arrests and the investigation remains ongoing, the NYPD said.