The Health and Safety Executive has launched an investigation to find out what caused a half-tonne metal girder to crash through the roof of a Lancashire estate agents at the weekend.
According to the Lancashire Evening Post, the 6m-long girder speared through three levels of the building, in Preston, hitting the ground floor just metres away from two staff members.
A spokesman for builders Stonewell Developments and Kubic Developments, which are heading up the £23 million hotel complex adjacent the estate agents, told the paper: “Sub-contractors responsible for the steel have expressed apology for what was a freak situation.
“They had carried out 140 previous assignments of this type and a number on the morning of the incident without any problems.”
The HSE has issued a prohibition notice to stop the crane hoisting unsecured items while its investigation is conducted.