FIREFIGHTERS are investigating the cause of three fires which broke out at a Colchester nature reserve.

Fire crews were called to Hilly Fields, off Sheepan Road, Colchester, at 10.26pm yesterday.

A spokesman confirmed firefighters found three fires in a field, covering an area of half a hectare.

She said: "Firefighters used hose reels and beaters to extinguish the fire by 11:32pm."

Residents reported seeing the glow of the fires from surrounding roads.