All lanes reopened on SB 14 Freeway in Antelope Valley after fatal crash

LANCASTER, Calif. (KABC) -- One person was killed and another critically injured in a four-vehicle crash early Tuesday morning on the 14 Freeway in the Antelope Valley, authorities said.

The collision was reported at 3:38 a.m., prompting a SigAlert and the temporary closure of all southbound lanes on the freeway at Avenue M in Lancaster, according to the Highway Patrol.

Video from AIR7 HD showed southbound traffic backed up for miles amid the shutdown.

All lanes were reopened as of 7:40 a.m., the CHP announced.

The cause of the crash was not immediately known.