Four people were assaulted outside 5202 N. California Ave.
early Saturday morning, a police report said.
Three people drove up next to the victims, got out of their car and started yelling "What are you? What are you?" according to a police report.
The assailants hit one victim in the head and brandished a gun, according to the police report.
They took two cases of beer and a backpack.
One of the attackers was a Hispanic male between 18 and 21 years old, heavy set and balding, with a patch of hair on the back of his head, the report said. He is believed to be a a member of Latin Kings gang.