Footage published by Chinese media shows water rising rapidly in a river on the outskirts of Sichuan ProvincePangzhou City.
Tourists who were initially playing in the shallow water could be seen running to safety and climbing over rocks as the water moved towards them, but at times did not reach the riverbank.
At least one person, a woman trapped on a boulder in the middle of the river, appeared to have lost her leg and was struck by the current, according to a video posted online by the state-owned Beijing Youth Daily.
“As of 7.30 p.m., mountain floods have claimed four lives, three seriously injured and six others slightly injured,” Pangzhou emergency response officials said in a statement.
The floods occur during the heat of peak weather in China, which includes many cities. Shanghai Recording its hottest days ever during a heatwave in July.
Scientists say climate change has made extreme weather more frequent around the world, and is likely to become more intense as global temperatures rise.
China’s National Observatory has issued a red alert for high temperatures as the mercury is expected to rise above 40 °C (104 °C). fahrenheit) nationwide later this week, state news agency Xinhua has Reported on Saturday.
Severe flooding in southern China in June displaced more than half a million people and caused an estimated $250 million in economic damage.