An investigation is underway after the emergency services responded to fire at a derelict building.

Hertfordshire Fire & Rescue says it received multiple calls at 4.11pm on Monday (February 22) to reports of a fire in Woodside Road, on the outskirts of Abbots Langley.

Two crews from St Albans and one from Garston were sent to the scene and they found a caravan and derelict building alight.

The fire was put out using two hose reels.

Hertfordshire fire investigation dogs Reqs and Thor were also called to Woodside Road.

On the 'Reqs the Fire Dog' Twitter account, a message was posted revealing the two Labradors has been called in to assist with the fire investigation.