Kunming: Six people were killed in a stampede Friday in a primary school in southwest China's Yunnan province, authorities confirmed.

The accident happened around 2 p.m. at Mingtong Primary School in Kunming, capital of Yunnan, Xunhua reported.

Twenty-two people were injured and sent to two hospitals. Two of them were in serious condition.

Founded in 1955, Mingtong is located in Panlong district in downtown Kunming and is supposed to be one of the best schools in the district.

The report did not mention the cause of the stampede.