Ten people had been killed and 17 others remained missing as of 2 p.m. (Beijing time) on Monday after a flash flood and mudslide struck the city of Kangding in southwest China's Sichuan Province on Saturday, local authorities said.

The disaster took place at about 3:30 a.m. (Beijing time) on Saturday in Kangding, Tibetan Autonomous Prefecture of Garze, toppling a tunnel bridge and destroying homes in Ridi Village.

The bridge's collapse resulted in four vehicles with 11 people falling, among whom three have been confirmed dead, one was rescued and seven remain missing. 

In Ridi Village, seven people were killed and ten are still missing.

Rescue and search efforts are still underway, with 1,698 rescuers and over 400 sets of equipment, including helicopters, unmanned aerial vehicles, excavators and communication vehicles mobilized to the frontline.

The village is located in a valley at an altitude of 1,300 meters, while the mountains nearby are over 5,000 meters above sea level.