Qiqihar

"The collapse of the stadium in Qiqihar was not a long time ago, and there were checks everywhere after that - what did the checks do? This is an apparent man-made disaster," wrote one user in a comment that drew more than 9,000 likes.

In July, the concrete roof of a school gymnasium in Qiqihar city collapsed after days of heavy rain.

In July, 11 people were killed after the concrete roof of a school gymnasium in China's Qiqihar city collapsed.

"I remember that safety inspections were conducted on various gymnasiums after the Qiqihar No. 34 Middle School gymnasium collapsed in July," said a netizen on China's Weibo social media platform.

Heilongjiang was forecast on Friday to experience strong convective weather, including short-term heavy precipitation, thunderstorms and strong winds, as well as localised torrential downpours in northern Qiqihar.