A man was shot in the head and killed in front of a Brooklyn apartment building on Thursday night, police said.

A gunman opened fire at the victim, identified by police as 41-year-old Naim Moore, at about 9 p.m. on Eldert Street near Wilson Avenue in Bushwick, cops said.

Moore was hit once in the head and collapsed in front of an apartment building on Eldert Street, police said.

He was rushed to nearby Wyckoff Heights Medical Center, where he was declared dead, authorities said.

The shooter ran off and has not been caught, police said.