Oakley police are investigating after two children were struck by a vehicle Friday afternoon, requiring one to be flown to the hospital by helicopter, the East Contra Costa Fire Protection District said.
The accident was reported shortly after 4 p.m. on Portsmouth Street in Oakley, where police and fire units located the injured children and requested medical units.
A landing spot was set up at Nunn-Wilson Family Park, where a 4-year-old girl with a head injury was taken by helicopter to UCSF Benioff Children's Hospital - Oakland.
A 6-year-old girl with minor injuries was taken by ambulance to Sutter Delta Medical Center in Antioch.
Oakley police are investigating the cause of the collision, officials said.
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