A man has been arrested in Sligo by Gardai investigating the murder of Thomas Thompson over four years ago.
The body of Mr Thompson was discovered in Dysart near Portlaoise, Co Laois in January 2008.
The British father of five, known as Tommy (59), had disappeared from his rented home nine months earlier.
Originally from Yorkshire, he had been working as a plasterer here for several years.
He was reported missing from his home April 20, 2007.
Gardaí confirmed a man in his 30s was arrested in Ballymote, Co Sligo this morning.