A landslide collapsed and buried buildings at and around an industrial park in the southern Chinese city of Shenzhen on Sunday, with the number of casualties unknown, authorities reported, according to AP. Seven people have been rescued after 18 buildings were buried and an area of 20,000 square meters (24,000 square yards) was covered with soil, the Public Security Bureau's firefighting bureau said in an online statement. Shenzhen's fire brigade said in an online statement that one building had collapsed, but that the landslide had affected a large area in the northwestern outskirts of the city. State broadcaster CCTV said there was a residential area next to the industrial zone. It said the buildings buried included two workers' dormitories.