DENVER -- Denver police are questioning suspects involved in a deadly shooting that occurred Sunday night.

Witnesses say they heard about 20 gunshots and screaming coming from the area of 14th and King around 10 p.m.

When police arrived, they found one teen dead in the alley, killed by multiple gunshot wounds.

Two other victims were taken to Denver Health Medical Center with gun shot wounds. Their conditions are unknown.

Police say the shootings may be gang-related.