West Midlands Ambulance Service was called a t 6.34pm to reports of a fire at an address on Friars Street in Warwick .
A West Midlands Ambulance Service spokeswoman said: “Upon arrival crews found three patients.
“The first man was assessed by ambulance staff and was in a critical condition. He received advanced life support from ambulance staff at the scene.
“He continued to receive treatment enroute to Queen Elizabeth Hospital Birmingham via land ambulance.
“The second man was assessed by ambulance staff. He had sustained serious injuries. He received treatment at the scene.
“He was conveyed to University Hospital Coventry and Warwickshire via land ambulance for further treatment.”
“A third patient was assessed at the scene and declined treatment from ambulance staff and was discharged at the scene.”