Gangs in the Ballyfermot area are believed to have been involved in the pub brawl which led to the death of a British man in Dublin in the early hours of yesterday morning.Jason Martin, in his early 40s, was from Manchester and was thought to have had links with drug dealers from one of the gangs. The incident happened between 1.30am and 2am at Hannigen’s pub, on Park West Road in Ballyfermot. The row started in the pub, where people had been watching the Bernard Dunne title fight. It is understood some people involved in the row attended the fight at the 02 and went to the pub afterwards. As more people got involved, the row spilled onto the...