A woman has been arrested in relation to the 2008 murder of 27-year-old Andrew Burns, who was shot dead at Donnyloop, Castlefin, Co Donegal.
The woman, who is in her 60s, is currently detained at a garda station in the north west region.
A Family Liaison Officer (FLO) continues to support the family of the deceased.
Gardaí are appealing for anyone with information to come forward, in particular, the occupant or occupants of a red van that it is believed to have been in the area of Donnyloop at around 7pm on the evening of Tuesday 12 February 2008.
Anyone with information is asked to contact Letterkenny Garda Station on 074 9167100, the Garda Confidential Line 1800 666 111 or any garda station.
Mr Burns received a number of gunshot wounds and was later found on a roadway close to Donnyloop Church and pronounced dead.
It is believed a number of individuals were involved in his murder.
To date, one person has been convicted of his murder and is currently serving a life sentence.
