A tour bus carrying 63 passengers collided with a disabled SUV on State Route 60 near Hacienda Heights in Los Angeles County early Sunday, killing the SUV driver and injuring 32 people.

The crash, which occurred around 5 a.m., caused the SUV to burst into flames, trapping and killing its driver.

Two bus passengers were critically injured, while others suffered minor to moderate injuries.

The bus was en route to Koreatown from Morongo Valley, ABC News has reported.

Authorities say drugs or alcohol were not involved.

Written by B.C. Begley