A man died an horrific death this morning after falling 60ft while working on Calderdale Royal Hospital.
Police confirmed the tragedy as a major investigation was launched.
The scaffolding had been erected at the rear of the hospital in Halifax.
Det Inspr David Shaw, of Calderdale District CID, said: “Police received a report at 9.04am this morning in relation to the death of a man following an incident at Calderdale Royal Hospital .
“The man, who is believed to have fallen from height whilst he was working on-site, suffered serious injuries and was pronounced dead a short time later.
READ MORE: Two teenagers stabbed at Salendine Nook
“Officers are making enquiries into the circumstances surrounding the man’s death alongside the Health and Safety Executive.”
A shocked, middle-aged woman who lives opposite the back of the hospital, said: “I heard the crash this morning but didn’t know what it was.
“It has been chaos all day with lots of police cars and ambulances in attendance.”
Another man who was in the hospital’s car park area at the time of the accident said: “The man fell and brought all the scaffolding down with him.”
The Calderdale & Huddersfield NHS Foundation Trust Director of Estates, Lesley Hill, said: “The police and Health and Safety Executive are investigating after a contractor fell from height early today at Calderdale Royal Hospital.
“Despite efforts by our colleagues we were sadly unable to save his life.
“Our thoughts are with the family at this time and we send our sincere condolences.”
A spokesman for the Health and Safety Executive said the police were the “lead authority” on the incident.
She added: “HSE is aware of the incident and is making initial enquiries.”