The local meteorological observatory in southwest China's Chongqing city municipality has issued red alert for high temperature, warning that the temperatures will reach 40C in some areas.

Traditionally, Chongqing is known as one of the three furnaces in China, along with Wuhan in the the centre of the country and Nanjing in the east.

Wanzhou District of Chongqing has experienced a heatwave starting on Wednesday.

According to the local meteorological observatory in Wanzhou, the temperature reached 40.3C on Thursday afternoon and the road surface reached over 60C.

The local sanitation department in Wanzhou deployed all their water trucks to cool the roads by spreading water. More than 300 tons of water was used each day.

Wushan County of Chongqing also issued a red alert for high temperature on Friday morning, as it reached 40 degrees Celsius.

Source: AP