BEIJING: At least six persons were killed and four others injured today after an under-construction building collapsed in east China's Shandong province .
The workers were adding a second floor to a house in Shaodong village when it collapsed.
Police and firemen were rushed to the rescue following which they pulled out those trapped in the debris, state-run Xinhua news agency reported.
Six workers died and the injured were taken to a hospital for treatment. None of the injured are in a critical condition, the report said.
Investigators said the construction was being carried out illegally. Those allegedly responsible for the construction have been detained, it said