The fire service has since confirmed it believes the smoke had travelled from a significant wildfire burning at Llangynidr Reservoir, near Ebbw Vale, which has been raging since Friday, August 7. Smoke carried for milesThe wildfire near Ebbw Vale has grown to an estimated 400 hectares and remains one of the largest incidents currently being tackled by firefighters in Wales. Fire crews from Mid and West Wales Fire and Rescue Service and South Wales Fire and Rescue Service have been working together for several days to contain the blaze and protect surrounding land. (Image: SWFRS)An aerial view of the wildfire at Llangynidr Reservoir near Ebbw Vale, where firefighters have been battling the blaze since Friday. Smoke from the Llangynidr wildfire, near Ebbw Vale, has been spreading through Herefordshire (Image: Crickhowell Fire Station)Smoke rising from the wildfire near Llangynidr Reservoir, Ebbw Vale (Image: Tony Scott)Road closures remainFirefighters are expected to remain at the Llangynidr Reservoir site for several more days while conditions continue to be monitored.