UPDATE: As of 1:10 p.m. all lanes have reopened, per CHP.

No injuries were reported in the fire, which fully engulfed the truck at about 11:30 a.m.

Original Story:

SAN FRANCISCO (KRON) – A truck fire has closed two lanes of Highway 101 in San Francisco, according to the California Highway Patrol.

The fire occurred just north of the Cesar Chavez Street off-ramp, and lanes three and four are expected to be closed for about an hour.

Traffic can still sneak by in the first and second lanes, but motorists are advised to use I-280 northbound to get into downtown San Francisco.

This is a developing story and will be updated as more information comes in.