A BOOBY-TRAPPED fire was started by arsonists who allegedly left gas canisters underneath a rubbish blaze.

Angry firefighters have hit out after the incident, which happened at 8pm last night in Denmead near Ashling Park Road.

Hampshire Fire and Rescue says that a mattress, leaves and rubbish were alight, and a crew from Waterlooville was called to put it out.

Firefighters discovered that there were four LPG gas canisters concealed underneath.

A statement said: "A crew from Waterlooville were called to a rubbish fire last night in Denmead. 

"A mattress, leaves and rubbish were alight.

"However, concealed underneath these were four LPG gas canisters - two containing gas."

The fire and rescue service posted on social media: "Words fail me."

Police have been informed of the incident and anyone with information can call Hampshire Constabulary on 101.