An inmate at Mountjoy prison has commenced a High Court challenge against the decision to discipline him for setting fire to netting placed around the prison to prevent contraband from being thrown into the jail.

A man who admitted killing a teenager in a bar on Arranmore Island has been acquitted of his murder at the Central Criminal Court.

A Dublin man has today admitted his participation in an attempted armed raid of a post office where two of his fellow gangmembers were shot dead by gardaí.