It happened at the end of his shift
Officers from the Devon and Cornwall Police Road Alliance Unit tweeted about the incident this morning, but say they'd spare the Sergeant the embarrassment of photos of him covered in the foam!
They added it was "the last thing" you need at the end of a long night shift.
Man found dead in Exeter city centre
Exeter concede 10 goals as Man City demolish Grecians
Exeter City fans dream of glory in Manchester
Pleas for multi million pound road scheme to go further
Cathedral light show keeps audiences coming back
Pressure on hospital as icy conditions take toll
