Two men have been arrested by police investigating the discovery of an improvised mortar bomb in Northern Ireland.

The Garda's security chief talks to Cormac O'Keeffe about dissidents, Brexit and the jihadist threat.

A Dublin man accused of IRA membership has been released on bail by the non-jury Special Criminal Court today.

Two Dublin men have appeared before an out-of-term sitting of the non-jury Special Criminal Court this evening charged with IRA membership.

Two men have been charged in relation to the discovery of a bomb under a police officer’s car.

Anti-terrorism chiefs in the North have welcomed the arrest by Gardaí of two suspected dissident republicans in connection with an attempt to murder a PSNI officer last June.

Two men have been arrested by gardaí following the discovery of a bomb under a serving PSNI officer’s car in Belfast.

Though nobody has claimed the weekend bomb attack on the North’s police, it has all the hallmarks of republicans, says Dieter Reinisch.

Police said that the 46-year-old man, arrested earlier yesterday under the Terrorism Act, was released without charge.

Lyra McKee has been honoured with a special award for outstanding commitment and contribution to journalism.

Sara Canning will address a rally calling for change in Northern Ireland at Belfast City Hall tomorrow.

Lyra McKee's partner has said that those who killed the woman she was going to marry are "no better than paedophiles".

Today is World Press Freedom Day, an annual event to celebrate the fundamental principles of press freedom.

Rank-and-file gardaí want more armed units to deal with organised crime and the threat posed by the New IRA, as well as better counselling services, more frontline police and improved equipment.

The shooting dead of Lyra McKee by the New IRA will not affect their actions “in any way”, a leading historian and republican researcher has said.

A £10,000 sterling reward has been offered for information about the murder of Lyra McKee.

She broke down barriers in a divided community in Northern Ireland, mourners at her funeral were told.

Twitter has suspended the account of dissident republican group Saoradh in the wake of the killing of Lyra McKee.

Detective Superintendent Jason Murphy, the lead detective in the investigation, this evening hailed the "massive public positive response".

Dissident republican group Saoradh has come in for renewed criticism after lauding the “success” of its widely condemned Easter marches.

In a callous and reckless act of indiscriminate violence, the New IRA murdered Lyra McKee. Their victim was a respected and courageous journalist, whose untimely death, at the age of 29, is a huge personal loss to her family and friends, and to her journalistic colleagues.

The men, aged 18 and 19, were arrested by PSNI detectives yesterday morning under the Terrorism Act.

The 29-year-old was killed in Derry on Thursday night after she was shot in the head amid riots in the city.

The men, aged 18 and 19, were arrested by PSNI detectives this morning.

Aidan 'The Beast' O'Driscoll was "executed" on a busy Cork street in a "well-planned" hit that was part of an internal dispute between the Real IRA and the New IRA, the Special Criminal Court has heard.

Even if gardaí can identify where stamps bought a year ago were purchased, the CCTV is ‘long gone’

Here's your lunchtime bulletin.

Two men are being questioned by gardaí following an operation targeting dissident republicans in central Dublin.

Two men have been arrested in connection with the murder of Constable Ronan Kerr in Northern Ireland.

It’s been four months since dissident republic leader Aidan O’Driscoll was brutally gunned down on a street in Cork. But painstaking detective work has led to the arrests of six people, and more arrests are expected, reports Eoin English

Two men are being questioned about a suspected New IRA bomb plot after explosives were discovered in a car just after rush hour at a busy junction in Dublin.

The funeral for a prison officer murdered by dissident republicans in the North will take place in Belfast today.

We’ll need our humour and a balanced reading of our history this Easter to negotiate a path through the treacherous waters of commemoration. Let’s hope we can also make room for the voices of the children of the centenary of the Rising, writes Clodagh Finn.

A prison officer who died after he was injured in a bomb attack in Belfast may have had a heart attack, his colleagues said.

A prison officer who died after he was injured in a bomb attack in Belfast may have had a heart attack, his colleagues said.

A group calling itself the New IRA has claimed a bombing which injured a prison officer.

A group calling itself the New IRA has claimed responsibility for a Semtex bomb attack that injured a prison officer in Belfast, according to reports.

A specialist police anti-terror unit in the North is conducting almost 70 investigations into dissident republican activities, the majority undercover surveillance operations, its lead detective has revealed.

Ireland has the third longest jail terms for convicted terrorists in the EU, according to a report.