Channel 4 show Famous And Fighting Crime sees a host of celebrities go undercover as special constables, responding to 999 calls and street crime.

And Katie Piper has revealed the experience of working night shifts in the force was ‘full on’ and ‘traumatic’, giving her a newfound respect for the police and the work they do.

The 35-year-old star also recalled the memorable moment when fellow star Penny Lancaster break down after she was threatened with a dirty needle.