HOLLYWOOD, Fla. -

Surveillance video showed a gunman running away after shooting a 16-year-old boy in the head, Hollywood police said.

Police were called to 900 N. 66 Avenue about 5:13 p.m. Friday after reports of shots fired. Arriving officers found Jacob Rivera had suffered a gunshot wound.

Rivera was taken to Memorial Regional Hospital, where he remained Monday in critical condition.

A witness told police a man wearing a white T-shirt over his face ran away following the shooting. Detectives from the Hollywood Police Department released surveillance video that showed the man they believe to have shot Rivera running away.

Watch: Surveillance video

Anyone with information on the shooting is asked to call police at 954-967-HELP or Crime Stoppers at 954-493-TIPS.