Four villagers were killed after a landslide buried their home Friday night in northwest China's Gansu province, local authorities said. The accident occurred around 9:25 p.m. in a village of Yuzhong county, Lanzhou city, officials of Yuzhong said. One person was killed on the spot and the other three died amid rescue operations, rescuers said. Rescuers are checking over any hidden danger of geological disasters in the county and have removed 84 people of 16 households threatened by possible landslides, Xinhua reported.