Choi says some of the eight people injured were at a corner or on the crosswalk and that officials have to indication the motorists tried to avoid them. The department says the crosswalk remains closed Wednesday as officials investigate.
He says officials are looking into whether the driver was having a medical emergency or purposely hit the pedestrians.
Authorities say eight people have been injured after a motorist appeared to deliberately plow into them in Sunnyvale.
The Bay Area city's Department of Public Safety says it happened Tuesday evening.
Eight people were taken to the hospital, including a 13-year-old boy.
There's no word on their condition or a motive for the apparent attack.
The driver was taken into custody after the car smashed into a tree.
KGO-TV reports that witnesses say the man apparently made no effort to stop before hitting the pedestrians.