California Highway Patrol officers have located the vehicle believed to be connected to the shooting of a CHP officer on Interstate 680 in Alamo Tuesday. Reports indicate that one of the two suspects is still at large.

The car, described as a black 1998 Nissan Maxima with California license plate 5TZB244, was found in Danville, but according to Contra Costa County sheriff's spokesman Jimmy Lee, authorities are still trying to locate a woman believed to be associated with the vehicle.

Investigators are hunting a woman identified earlier as a 35-year-old Hispanic female named Daisi Garcia. Garcia is wanted in connection with a shooting that occurred around 8:20 a.m. PDT on southbound I-680, just north of the Livorna Road exit in the Alamo area.

According to reports, the shooting was preceded by a traffic stop in which gunfire was exchanged by the CHP officer and the suspect. CHP Sgt. Diana McDermott told reporters that both the officer and the suspect were critically injured and have been taken to hospitals. She said the officer is male, but did not have additional information on him or the suspect.

The shooting reportedly prompted the closure of Interstate 680 in both directions in the Walnut Creek area. Northbound lanes reopened around 1 p.m.  Southbound lanes remain closed, and there was no estimate yet for when they would reopen.