Police have launched an investigation into a burglary after an explosive device was attached to an ATM and detonated in Stevenage town centre on Sunday.

It happened at Santander on Queensway just before 4.30am when the offenders – believed to be three men – detonated the explosive device before using crow bars to force open the doors and gain entry to the premises.

The three men have been described as in their early 20s and were wearing dark-coloured hoodies with the hoods up. Two were wearing light-coloured jeans and one was wearing light-coloured trainers.

They left the scene in the direction of King George Playing Fields.

Police are appealing for information and witnesses. If you have any information that could assist officers with their investigation, call 101 quoting reference 41/57240/18.

Alternatively you can report information online at herts.police.uk/Report.