Firefighters are battling a massive blaze on the Mourne Mountains in Co Down.
Witnesses say that the fire broke out around the bottom of the mountain and has spread into surrounding fields.
One witness, who is staying at a nearby Caravan Park told Belfast Live that the area is packed with families enjoying the Easter bank holiday.
She said: "We are in the caravan site it's packed with families down for Easter.
"There are several fire engines and off road vehicles, it seems to be spreading rapidly.
"There are lots of sirens out the back roads too."
Irish weather forecast: Status Orange fire warning issued as Ireland basks in 22C heat
Elsewhere, in Dublin and Wicklow, fire crews battled gorse and grass fires throughout Saturday.
A status orange fire warning is in place until Tuesday with heightened risk of fires over the weekend due to the scorching weather.
