The driver of a pickup truck fled after injuring an off-duty deputy in Norwalk early Saturday, authorities said.
The crash, which left the white SUV the officer was in upside-down, happened around 1:45 a.m. near Pioneer Boulevard and Imperial Highway, about a mile west of the station where the deputy is assigned, according to the Los Angeles County Sheriff's Department.
A person behind the wheel of a red 2018 Chevy Silverado collided with the deputy's car and continued traveling north on Pioneer Boulevard, the Sheriff's Department said.
The female victim was transported to the hospital and was last listed in stable condition, authorities said.
As of 4:20 a.m., officials were still looking for the pickup truck, which they said has the license plate number 15321P2.
Authorities provided no further details.
KTLA's Lucas Der Mugrdechian contributed to this report.