Highway 99 south partially reopened after crash involving multiple big rigs near Chowchilla

FRESNO, Calif. (KFSN) -- UPDATE: Caltrans says one lane has been reopened.

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The southbound lanes of Highway 99 are closed off Monday afternoon after a crash involving multiple big rigs blocked traffic, authorities said.

Caltrans says three to four big rigs and another vehicle collided at the Highway 152 interchange around 3:30 p.m. Officials warned that traffic will be impacted until the crash can be cleared.

It's unknown if anyone was injured in the crash.

Stay with ABC30 for updates.