Dissident republicans are mounting a "serious and sustained escalation" of violence to mark the Easter Rising centenary, the police officers' representative body has warned.

A man is in custody in Louth this morning after a crackdown on dissident republicans.

The former Taoiseach Bertie Ahern has said Sinn Féin will suffer the most if they don't distance themselves from the IRA.

Bertie Ahern has said there could be benefits to the IRA remaining in existence, as it helps to control the spread of dissident republicans.

Environment Minister Alan Kelly has revealed that he has had threats to his life from dissident republicans.

A prominent dissident republican has been gunned down in broad daylight in the North.

An IRA sniper convicted of killing the last British soldier to die before the Good Friday peace agreement has been found dead.

Three people have been arrested as part of a joint Garda / PSNI investigation into dissident republican activity.

Two men have been arrested by detectives investigating a failed dissident republican car bomb attack on a shopping centre in Belfast.

There has been a small explosion in Belfast city centre, police said.

Five men have been arrested in connection with dissident republican activity in Dublin and Wicklow.

Troops were involved in a massive security operation close to the border in the North after claims that a major bomb attack had been thwarted.

The threat from dissident republicans remains severe, Justice Minister Alan Shatter said today.

Police investigating dissident republicanism have arrested a man in the North.

Dissident republicans are likely to carry out further attacks despite the successes of gardaí and the PSNI, an EU terrorist report says.

Four people have been arrested outside Tullamore in Co Offaly as part of an ongoing investigation into dissident republican activity.

Gardaí in Dublin have arrested a man in relation to shots that were fired outside the Donaghmeade home of Real IRA boss Alan Ryan, on the day he was buried.

A man has been arrested as part of an ongoing investigation into the activities of dissident republicans.

A van bomb found near the border contained 600lbs of homemade explosive and was “ready to go”, police revealed today.

A bomb found near the border contained 500lbs of explosives and was aimed at killing security forces, a politician for the area has said.

Police have discovered two bombs following separate security alerts in the North.

The trial of a Dublin man arrested during a Special Branch investigation into dissident republican activity in the city continued at the Special Criminal Court today.

Police in the North have arrested six people after a masked man at a republican commemoration threatened further violence by dissidents opposed to the peace process.

Gardai investigating dissident republican activity have found explosives and weapon in Co. Kildare.

A man has been charged with possession of explosives with intent to endanger life in the North by police investigating dissident republican activity.

An off-duty soldier’s vigilance saved his life when he spotted a bomb underneath the driver’s seat inside his car in Belfast.

Eight suspected dissident republicans have been arrested in a massive anti-terror blitz against the Óglaigh na hÉireann splinter group.

Police in the North have arrested two men in connection with dissident republican activity.

The Real IRA has been blamed for attacks on the homes of two police personnel in Co Derry.

A man has been arrested in the North in connection with dissident republican activity.

A 68-year-old man arrested in west Belfast yesterday has been charged with terrorist offences.

Gardaí investigating the activities of dissident Republicans have arrested five men in Cork this morning.

A Dublin man arrested following a garda investigation in to the activities of dissident republicans has appeared before the Special Criminal Court charged with membership of the IRA.

Ten men have been arrested in Dublin in connection with dissident republican activity.

A man is to appear before the Special Criminal Court this morning charged in connection with alleged dissident republican activity.

Two Dublin men appeared before a special sitting of the Special Criminal Court this evening charged with IRA membership and firearms offences.

Two men are due to appear before the Special Criminal Court this evening in connection with the discovery of firearms in Dublin.

Two men have been arrested in Dublin in connection with dissident republican activity.

Two men have been arrested after a suspected dissident republican bomb-making factory was uncovered in Co Louth.

Detectives in the North are continuing to search for those responsible for yesterday's bomb blast in Derry.

Three masked men carrying a bomb burst into a bank in the North today and warned terrified customers it would explode in an hour.

A small bomb exploded today at a busy shopping area in the North in what is believed to be the latest in a series of attacks by dissident republicans opposed to the peace process.

Gardaí investigating dissident republican activity have arrested three men aged in their 30s in Co Kildare today.