KUNMING, May 10 (Xinhua) -- A forest fire that broke out in the city of Dali, southwest China's Yunnan Province, on Sunday morning has been put out, local authorities said Monday.

Photos: China's Central Television

The fire scorched around 48 hectares of land and no casualties have been reported, according to the headquarters of forest and grassland fire prevention and control in Dali.

A total of 2,532 people, 21 fire trucks and three helicopters were mobilized to put out the fire, said the headquarters.

An investigation into the cause of the fire is underway.