Detectives vowed to find the arsonists who started a fire that could have engulfed a block of flats in Wisbech.

The fire, which is believed to have been started deliberately, occurred at about 12pm last Thursday at the rear of a block of flats in Tindall Close, Wisbech.

None of the occupants were aware of the fire taking place and the incident was reported to the police when damage to a rear fire door and a drainage pipe was noticed later on in the day.

DC Mark Yendley, who is investigating, said: “Thankfully no one was injured and the fire didn’t spread too far, but this could have easily caused a much larger issue.

“The residents are all understandably shaken up – I am determined to get to the bottom of how this fire was started.

“I urge anyone who witnessed the incident or knows who is responsible to contact us.”

Anyone with information is asked to contact police on 101 or Crimestoppers, anonymously, on 0800 555 111 or through their anonymous online reporting form at www.crimestoppers-uk.org.