3 killed, others injured in California freeway crash

Part of a California interstate was closed Sunday after a crash killed at least three people and five others were taken for medical treatment.

The accident occurred eastbound on I-10 in Riverside County around 7:30 a.m. local time, the Riverside County Fire Department said. It's unclear what caused the crash. The road was expected to be closed for at least two hours.

Three people were declared dead at the scene, the fire department said.

Two others were airlifted to a trauma center with major injuries, while three people with moderate injuries were taken to a hospital.

This article was originally published on NBCNews.com