Stonework on the building was damaged by a 1977 sand-blasting which, while it turned a black building white, also took off the limestone's protective facing, swiftly turning it grey again.

ECONOMIST: Conservation

The Labour MSP said it was for that reason he intended to launch the Workers (Aggravated Offences) (Scotland) Bill, which would extend protective legislation to more workers facing the threat of violence or intimidation.

BBC: Labour debate: protecting the worker