Mountain body murder: Four quizzed
Four people are being questioned over the abduction and murder of a young man whose body was found in the Dublin Mountains.
Kenneth Fetherstone's remains were discovered by a walker at the Viewing Point in Military Road on January 31 - more than four months after he disappeared.
Gardai said a man and a woman were arrested in raids on Wednesday morning.
The woman was detained in Wexford under Section 30 of the Offences of the State Act while the man was held in Dublin under Section 4 of the Criminal Justice Act.
The pair are being questioned at Tallaght Garda Station.
Two other men have been detained in raids in Dublin and are both being questioned at Rathfarnham station under Section 4 of the Criminal Justice Act.
Mr Fetherstone, 26, from Tallaght, was last seen alive in the Knocklyon area of south Dublin on September 22 last year, several miles from where his body was dumped.
His car was abandoned in Co Wexford and gardai found blood stains inside.
It is thought the father of one was killed after he sought the return of money he had lent in a business deal.