The death toll rose to four from an earthquake in remote south-western China, state media reported Sunday, according to dpa. Six of the 54 people injured in the mountainous region of Sichuan province were in critical condition, the Garze Tibetan Autonomous Prefecture's official Weibo account reported. About 80,000 were affected and 25,765 houses damaged in Saturday's quake, it reported. More than 6,200 people were relocated. The 6.3-magnitude quake about 30 kilometres from the predominantly Tibetan town of Kangding, the official Xinhua news agency reported.