“Although the smoke plume from the fire has decreased in size, NIFRS continues to advise householders and premises in the area to keep windows and doors closed.
“Windy conditions remain on the weather forecast and people need to be vigilant to a change in wind direction, keeping windows and doors closed.
“NIFRS has 11 Fire Appliances currently on site including 2 High Volume Pumps, 1 Aerial Appliance and the Command Support Unit.
“We are working closely with the site owners, NI Environment Agency, Police Service of Northern Ireland, Public Health Agency, Northern Ireland Electricity and Derry City & Strabane District Council in the ongoing management of this incident. Northern Ireland Fire & Rescue Service continues to thank the local community in the area for their understanding as Firefighters deal with this incident.
“The cause of the fire remains under investigation.”