Six people died and 10 are missing after downpours battered southwest China's Sichuan Province on Sunday and Monday, according to local authorities.

Heavy rain pounded parts of Panzhihua City from 8 a.m. on Sunday to 10 a.m. on Monday, causing landslides, cave-ins and flash floods, and in some areas cutting off roads and damaging houses, according to a statement from the city's information office.

Three of the victims died after mud flows buried their houses, with two killed by collapsed walls and the other swept away in the floodwater, said the statement.

The storm also electricity supply in some areas. A school in Wuben Township was damaged by a mudslide and two dams collapsed due to the rain, with no casualties reported.