Photo taken on April 3, 2014 shows the site where a house under construction collapsed in Changsha, capital of central China's Hunan Province. The accident happened at around 1:30 p.m. Thursday, when ten builders were working on an three-storey house at Yujiang Village in Changsha. The injured were taken to a local hospital where two died of their injuries. (Xinhua/Bai Yu)

Local villagers gather at the site where a house under construction collapsed in Changsha, capital of central China's Hunan Province, April 3, 2014. The accident happened at around 1:30 p.m. Thursday, when ten builders were working on an three-storey house at Yujiang Village in Changsha. The injured were taken to a local hospital where two died of their injuries. (Xinhua/Bai Yu)

A firefighter works at the site where a house under construction collapsed in Changsha, capital of central China's Hunan Province, April 3, 2014. The accident happened at around 1:30 p.m. Thursday, when ten builders were working on an three-storey house at Yujiang Village in Changsha. The injured were taken to a local hospital where two died of their injuries. (Xinhua/Bai Yu)

Local villagers gather at the site where a house under construction collapsed in Changsha, capital of central China's Hunan Province, April 3, 2014. The accident happened at around 1:30 p.m. Thursday, when ten builders were working on an three-storey house at Yujiang Village in Changsha. The injured were taken to a local hospital where two died of their injuries. (Xinhua/Bai Yu)