Story highlights One person is found dead; more than 80 people are reported missing

A man-made pile of construction waste and trash collapsed on buildings in an industrial park

State news says that a company had previously raised safety concerns about the site

(CNN) Close to 3,000 people were part of the massive rescue effort underway Monday after a landslide in south China, state media reported.

A man-made pile of construction waste and trash collapsed on buildings in an industrial park in Shenzhen, a city in Guangdong province.

The state-run Xinhua news agency reported the body of one victim had been found, and that more than 80 people were missing.

At least 16 people were still hospitalized, three in serious condition, according to Shenzhen's emergency response office.

Photos: Chaos and destruction This aerial photo shows the site of the landslide that hit three industrial parks in Shenzhen in south China's Guangdong province on December 21, 2015. Hide Caption 1 of 9 Photos: Chaos and destruction Rescue workers look for survivors on December 22, 2015. Hide Caption 2 of 9 Photos: Chaos and destruction Chinese rescuers work at the land slidesite. The landslide that hit southern China's Shenzhen on December 20, 2015 was China's second industrial disaster in four months. Hide Caption 3 of 9 Photos: Chaos and destruction A woman prays near a collapse building on December 21, 2015 in Shenzhen, China. Hide Caption 4 of 9 Photos: Chaos and destruction Many of the buildings at the industrial park in the city of Shenzhen were destroyed or badly damaged. Hide Caption 5 of 9 Photos: Chaos and destruction Rescuers look for survivors at the industrial park in southern China's Guangdong province on December 20. Hide Caption 6 of 9 Photos: Chaos and destruction The search through the piles of rubble was made more difficult as light faded. Hide Caption 7 of 9 Photos: Chaos and destruction The badly damaged buildings made it extremely dangerous for rescue workers. Hide Caption 8 of 9 Photos: Chaos and destruction This dramatic photo shows the scale of the landslide's destruction. Hide Caption 9 of 9

The rescue effort included members of the armed forces and search dogs, Xinhua said. Doctors were also dispatched to help.

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