A man was robbed at gunpoint in the Lower Haight on Tuesday, police said.
The 31-year-old victim was walking in the area of Haight and Buchanan streets about 11:10 p.m. when an unknown suspect approached from behind and threatened to shoot the victim, police said.
The suspect demanded the victim's property at gunpoint and a struggle ensued between the two. The suspect then struck the victim in the back of the head with the handgun, stole the victim's property and fled on foot.
The victim lost a computer and cameras, police said. He sustained a minor injury to the back of his head, but reportedly refused medical attention.
No arrest has been made.