Redwood City police have arrested two people believed to have taken part in beating Tuesday afternoon in which a teenager was hit in the head with a rock.
At about 3:35 p.m. Tuesday, officers responded to the intersection of Howland and Warren streets, where witnesses told police that three to five males in their teens or early 20s had attacked an 18-year-old man.
Arriving officers found the victim with serious head injuries and facial lacerations, police said.
He was taken to a hospital and was expected to survive, police said.
At about 10 p.m., police arrested two suspects in connection with the beating: 21-year-old Redwood City man Rigoberto Molina and a 17-year-old boy.
The attack was being investigated as a gang-related, and investigators are trying to identify additional suspects.
Anyone who might have information on the case is asked to contact Redwood City police at (650) 780-7100.