Big rig fire snarls traffic along Sepulveda Pass

Officials blocked multiple lanes on the southbound 405 Freeway along the Sepulveda Pass following a semi-truck fire Tuesday afternoon, officials said. 

The fire was reported at 12:30 p.m. and traffic was backed up to the 101 Freeway. 

It was unclear how long the lane closures would be in place.

No further information was immediately provided.