Torrential rains have been battering Wenchuan County in Aba Tibetan and Qiang Autonomous Prefecture, Sichuan Province, since July 9, triggering serious landslides. [Photo/Xinhua]

The trapped people were out of reach for hours before local government resumed contact with them in the evening, according to the office.

By 9 p.m. all the trapped people were rescued and transported to Wenchuan County seat safely, it added.

Meanwhile, 247 residents who had previously been stranded in Zhangjiaping Village of Yingxiu Town because of rain-triggered floods have been relocated, said the local government.

Yinxing Township in Wenchuan has become nearly isolated, as the rainstorms have cut off the town's water and power supplies, communication and traffic, traffic police said.

In neighboring Yunnan Province, rainstorms have affected over 28,600 people and toppled over 5,280 houses. Local authorities have suspended classes in rural schools in the area.

Four people from two villages in Yunnan's Suijiang County have died in rain-triggered floods, local authorities said, adding that the county's water supplies have also been cut off.

As of 11 p.m. Wednesday, more than 20,000 cubic meters of water has been transported to Suijiang Count.