Rescuers are searching for at least 91 people who are missing, after a landslide buried part of an industrial park in the south Chinese city of Shenzhen.

It was caused when heavy rain fell on a mountain of excavated soil and construction waste which became unstable.

13 people are being treated in hospital - three are critically ill.

China's State news agency Xinhua News tweeted this footage of the landslide:

Aerial footage taken on Mon. shows site of #Shenzhen landslide, where 91 people remain missing #XinhuaTV pic.twitter.com/llMMurPndz

— China Xinhua News (@XHNews) December 21, 2015