A 15-year-old boy was killed and another 13-year-old wounded in a Bronx apartment Wednesday night, according to police — who are still searching for the shooter.

Riley Billingslea was found dead with a gunshot wound to the head by cops responding to a 911 call for shots fired inside an apartment on Claflin Avenue around 5:30 p.m., according to police.

Police spoke with witnesses at the scene and tracked down a second shooting victim, a 13-year-old boy, to his home, where he was found with a graze wound to his torso, sources said.

The victim claimed that he saw Billingslea and the shooting suspect get into some kind of dispute, according to sources.

The younger teen was hit by a ricocheted bullet and sent to hospital in stable condition, sources said.

No arrests have been made, police said Thursday morning.