A dog walker was headbutted by an unknown man in the Western Addition on Monday evening, police said.
The 26-year-old woman was walking her dog near Divisadero Street and Geary Boulevard around 6:18 p.m. when a man in his 20s headbutted her, knocking her unconscious, police said. The woman then fell down and hit her head on the sidewalk.
The woman was taken to an area hospital with a laceration to the side of her head, police said. She is expected to survive.
The man fled northbound on Divisadero Street and was not arrested.
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