SAN GABRIEL, Calif. -- Police in San Gabriel, Calif., have cited Commerce Secretary John Bryson for felony hit-and-run after a pair of car crashes Saturday.

The secretary was driving alone when he allegedly rear-ended a stopped vehicle. Officials say Bryson briefly spoke with the vehicle's occupants before hitting their car again as he drove off.

Police say Bryson then had another collision minutes later and was found unconscious. He was taken to a hospital and treated.

The Commerce Department says Bryson suffered a seizure and remained in the hospital overnight for observation. He was released and returned to Washington.

The department says an investigation is ongoing.

Bryson has not been formally charged.