NANNING, April 10 (Xinhua) -- Six people are still on the hospital's critical list after Monday's highway accident that killed eight and injured 35 in south China's Guangxi Zhuang Autonomous Region, the regional police and hospital sources said Tuesday.

    Two buses crashed into each other on state highway 209 close to Wuxuan county at 12:40 p.m. on Monday. Six people were killed on the spot and another two died later at the Wuxuan County Hospital.

    More than 400 people joined the emergency rescue operation, including 150 medical workers. All the injured were hospitalized by 2:00 p.m. Monday.

    By Tuesday morning, 29 people were still being treated and six of them were under intensive care, hospital sources told Xinhua.

    The county government has arranged accommodation for family members who began pouring in on Monday afternoon.

    The traffic police authority is investigating the cause of the accident.