Health and Safety Executive officials are investigating the deaths following an incident at Castlefield Industrial Estate in Bingley last Thursday. Emergency services were called to the estate following reports that two men had been seriously injured. One man, aged 44, was pronounced dead at the scene and another man, aged 58, was rushed to hospital for urgent medical treatment. Sadly, he died in hospital the following day. West Yorkshire Police said a man was arrested in connection with the incident but was later released under investigation. A police spokesperson said: "Investigations continue into the circumstances of the incident."