Message number 345 from PC Paul Coxall, reference number 2907031548:

There have been a number of arsons in the area recently.

These have generally been committed late in the evening or in the early hours of the morning.

Please be vigilent and report any suspicious persons or nuisance youths to the St Albans Control Room on 01727 796000.

If a criminal offence has takes place and the offender(s) are still in the area, please use the 999 Emergency Service.

Any information will be treated in the strictest confidence.