The Air Ambulance was called to industrial accident in Ross-on-Wye earlier.
Emergency services were called to the Alton Road Industrial Estate at just after 8am this morning.
Paramedics treated two men at the scene for potentially serious injuries.
West Midlands Ambulance Service say they were both taken to the Queen Elizabeth Hospital in Birmingham.
One patient was conveyed by air ambulance, the second patient has been taken by land ambulance.