How ONH stepped up its activities in the past four years
August 2010: No one is injured in a car bomb attack at Strand Road PSNI station in Londonderry. Claimed by Oglaigh na hEireann (ONH), the attack badly damages several businesses.
January 29, 2013: Children taking part in a cross-community project are evacuated from Greater Whitewell Community Surgery in north Belfast after a pipe-bomb is discovered outside the centre. The alert begins when a telephone bomb warning is made to the surgery. The caller claims to be from ONH.
March 9, 2013: A bomb goes off as police officers respond to a call on the Duncrue pathway near the M5 motorway in north Belfast.
March 23, 2013: The Army defuses a car bomb abandoned on the Derrylin Road near Enniskillen. ONH says it had planned to detonate it at the Lough Erne Resort – the hotel hosting the 39th G8 summit.
May 16, 2013: Shots are fired and a bomb thrown at PSNI officers as they get out of their vehicle in Foxes Glen, Belfast. The three officers dive for cover and drive away at speed. ONH admits responsibility.
May 28, 2013: Two pipe-bombs are thrown at PSNI officers as they get out of their armoured vehicle on the Crumlin Road in north Belfast. The bombs explode but no injuries are caused. The attack happens in the Ballysillan area and ONH are blamed.
July 11, 2013: ONH is blamed for an attempted bomb attack on PSNI officers in north Belfast. Officers were responding to a call at an abandoned house in Ardoyne. A booby-trap bomb fails to detonate.
August 12, 2013: Children pick up an unexploded bomb outside Woodbourne PSNI station in west Belfast. It is one of two devices thrown at the back of the station. The group of children are said to have had a "lucky escape". ONH is blamed.
November 25, 2013: A bomb partially explodes in a hijacked car in the heart of Belfast city centre. The car bomb, which is parked outside an underground car park at Victoria Square shopping centre, partially explodes as Army bomb crews are dealing with the alert.
December 5-6 2013: Three police vehicles come under gun attack in the Ardoyne area of north Belfast. Dissidents are blamed for the attack.
December 13 2013: A device explodes in the street in Belfast's Cathedral Quarter as it is packed with around 1,000 pre-Christmas revellers, many of whom are on their work night out. The bomb is hidden inside a black holdall bag. ONH admits responsibility for the explosion.