Shropshire Fire and Rescue Service are working together with West Mercia Police investigating a series of Arson attacks in the Herongate area of Shrewsbury.
The first incident was reported at about 04.30am on Tuesday 28th September 2010 when newspaper was pushed through a cat flap and set alight.
Two further cases were reported at 1.30pm 30th September 2010 and another at 02.49am 1st October 2010. On both occasions newspaper was pushed through the letterbox and set alight.
The latest incident caused damage to the front door window and wheelie bin.
We would ask that people ensure they have working smoke alarms and do not leave rubbish or wheelie bins close to the front of properties.
If anyone has any information about these fires or witnesses anyone acting suspiciously they are asked to contact West Mercia Police on 0300 3333 000 or if they wish to remain anonymous they can contact Crime Stoppers on 0800 555 111.