Two men and two women have been killed in a collision between two motorcycles in Southern California's Orange County.

Orange County Fire Authority (OCFA) Captain Larry Kurtz said the accident was reported at 4:30pm on Sunday on the Santiago Canyon Road, near Modjeska Canyon Road, southeast of Los Angeles.

The OCFA tweeted early on Monday morning that the four victims were two men and two women. Their names and ages were not released.

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The Orange County Fire Authority tweeted early on Monday that the vivtims were two men and two women

In testimony to the violence of the collision, all four victims were pronounced dead on arrival at hospital.

The California Highway Patrol was investigating the cause of the crash, and Santiago Canyon Road remained closed until at least 8pm on Sunday.

The aftermath of Sunday afternoon's motorcycle crash in Orange County, California. Two men and two women were killed when two motorcycles collided



