A flash flood triggered by sudden heavy rainfall hit a scenic area in northwest China's Gansu Province on Sunday afternoon, leaving 10 people dead and 23 injured as of 6 p.m., local authorities said.

Some tourists were camping in the scenic area in Weiyuan County, Dingxi City, and were trapped after the flood burst out.

Local public security and fire-and-rescue departments have dispatched rescue teams to the site, and search-and-rescue operations are underway.