The San Diego Police Department is investigating two hit-and-run accidents that happened within an hour Thursday night.
One pedestrian, possibly riding a bicycle, was struck by a hit-and-run driver in the East Village.
The incident happened on Commercial Street near 16th Street at 8:09 p.m., according to Officer Robert Heims of the San Diego Police Department.
The victim was found conscious and breathing before being transported to a hospital with unknown injuries.
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There was no description provided about the vehicle involved.
Fifteen minutes later, a 22-year-old man riding a scooter on the Fifth Avenue bike path was struck by a vehicle driving west on Ash Street in the downtown area, Heims said.
The victim sustained a skull fracture and a brain bleed. He was taken to a nearby hospital for treatment of injuries police say are considered life threatening.
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The driver who fled the scene was believed to be driving an older model of a light blue or light green Toyota Camry with a cracked windshield from the collision, police said.
The driver could have entered onto southbound Interstate 5 from the on-ramp at Sixth Avenue.
At this time, police do not believe the incidents were related.
No other details were immediately available.
This is a developing story and will be updated with the latest information.