An investigation has been launched after a four-year-old girl was found buried at a road construction site in eastern China, according to a newspaper report. An initial investigation suggests the girl may have been buried under construction material by a mechanical digger after she strayed onto the building site, the Tencent news website reported. The girl went missing from her home in Bengbu in Anhui province last week after she went out without her mother noticing. One worker killed and two injured in Hong Kong construction site fall Her body was found two days later about 20 metres from her home after a search was launched. The driver of the digger has been detained by police on suspicion of violating safety standards. The cause of the accident was still under formal investigation, the report said.