Gardaí  in Dublin have arrested four people in connection with the murder of an Englishman in Ballyfermot last year.

The two men and two women were arrested by Gardaí this morning and are being questioned at Garda Stations in Clondalkin and Ballyfermot.

39 year old Jason Martin was stabbed to death in a violent street brawl in Ballyfermot on September 29th last.