Pictured: Grass fire over Wattsville, north west of Newport, Wales. 22nd April 2015<br />
Re: Fire engines were positioned close to homes overnight as a large grass fire raged on a mountainside in south Wales.<br />
A helicopter is being deployed to help crews tackle the blaze which covers over 100 hectares (247 acres) in Wattsville near Crosskeys on Thursday.<br />
Pine trees and bracken could be seen well alight, said South Wales Fire and Rescue Service.<br />
It has sent 11 fire engines and crews to the scene in Caerphilly county.