A man sleeping in the backseat of his parked vehicle suffered serious injuries when his car was rear-ended by a speeding 2006 Dodge Magnum in the Midway District, authorities said.
The crash occurred at about 1:55 a.m. Sunday in the 2700 block of Kurtz Street.
The 36-year-old woman driving the Magnum was located a short distance from the crash and taken into custody, the San Diego Police Department reported.
Paramedics rushed the 32-year-old man, who suffered an open fracture to his right leg, to a hospital.
San Diego police urged anyone with information regarding the crash to call Crime Stoppers at 888-580-8477.
City News Service contributed to this article.