Impressive footage of clouds of smoke rising from a gorse fire in Donegal, Northern Ireland, UK on May 9.

"It lasted all day, spreading rapidly down the mountain in the wind, the smoke blew all the way across Lough Foyle," the filmer wrote online.

According to report, 498 gorse fires started in the region since the beginning of the month, 80% of which were reported to have been started deliberately.

2017 has been a record year for gorse fires here in Ireland and N. Ireland, this was yet another big one raging over Donegal with multiple sources, it lasted all day, spreading rapidly down the mountain in the wind, the smoke blew all the way across Lough Foyle to N. Ireland, filmed with 400mm lens from Magilligan Point.