via NBC LA
An aerial shot of the pile-up on the 14 freeway.
The 14 Freeway reopened this afternoon following a pile-up involving at least 19 vehicles. All southbound lanes of the 14 Freeway and two northbound lanes were closed near Agua Dulce, backing up traffic for miles.
CHP officer Vince Ramirez said the accident happened shortly before 10 a.m. Tuesday morning.
“A big rig traveling southbound on the 14 Freeway in an unknown lane lost control and struck several vehicles," Ramirez said, "causing additional vehicles to be involved in a collision.”
Ramirez said there was some unknown debris on the road, but it’s still not clear whether that’s what caused the accident. The big rig was also apparently hauling some type of sand or dirt.
The pile-up injured 17 people — two critically.
There was no fire, but someone was briefly trapped in the wreckage.
The accident was midway between the high desert Antelope Valley and the Los Angeles Basin, near the Escondido Canyon Road exit.
More at NBC LA.
This story has been updated.