Over 25 firefighters and a number of volunteers helped contain a huge fire in the Dublin Mountains. The blaze occurred at Glencullen on Monday night, after it reignited following attempts to extinguish it over the weekend. Over 25 firefighters and a number of volunteers helped contain a huge fire in the Dublin Mountains. A significant change in wind direction and an increase in wind speed caused smoke to billow over the top of the mountain and go south over Dublin. Mr O’Connor added that, at this time, it is ‘impossible’ to say what the source of the ignition was.