At least eight people were killed and 16 others injured when a rock fell on their tour bus on Thursday in southwest China's Sichuan Province.

The tour bus slipped off the road after being hit by a rock in Sichuan Province, July 11, 2019. [Photo: cctv.com]

The bus, which was carrying 30 people, slipped off the road after being hit.

A search and rescue operation is underway for the missing people.