A Brooklyn man has been charged with murder in connection with the death of a 3-year-old boy, according to police.

Kevin James, 29, of East Flatbush, also faces charges of assault and acting in a manner injurious to a child following the death of 3-year-old Denim Brown.

Police said Brown was found unconscious and unresponsive inside an apartment building on New York Avenue in East Flatbush around 10 p.m. Sunday.

Brown was taken to NYC Health + Hospitals/Kings County, where he was pronounced dead, authorities said.

Police said the child had suffered from trauma to his head and neck. The cause of death remains under investigation.

According to the NYPD, James resides in the same apartment building as Brown and his family.