(BCN) – At least one person is dead this evening in a traffic incident on southbound Interstate Highway 680 in Martinez, California Highway Patrol officials said.

The incident was first reported at 3:11 p.m. on I-680 just north of Marina Vista Avenue and on or just south of the Benicia-Martinez Bridge.

A traffic alert was issued at 3:51 p.m. when two lanes were blocked, according to CHP officials. The lanes reopened at 4:49 p.m. and the traffic alert was canceled.