Woman stole man's wheelchair and rode away

A woman rode away in a wheelchair she stole from a 65-year-old man in San Francisco's United Nations Plaza, police said. She approached the man from behind just before 8pm on Thursday, hit him in the back of the head and then pushed him out of the wheelchair.
The woman then jumped into the wheelchair and rode away, police said.
The 64-year-old man was taken to a hospital with injuries not considered life-threatening. The woman, believed to be about 35 years old, remains at large