Breaking News: A second person has been charged after the discovery of an explosive device in a car stopped in Co Monaghan, in a case that has quickly become one of the most closely watched Irish Crime News developments of the week. The latest charge was brought during a late-night sitting of the Special Criminal Court in Dublin on Saturday, adding a significant new step to the Garda investigation.
The case centres on a vehicle stopped on the N2 near Carrickmacross on Wednesday, where investigators said a viable improvised explosive device was later identified. The latest Irish News update confirms that a Dublin man has now been charged with possession of an explosive substance, while a 25-year-old woman had already appeared before court in connection with the same investigation.
Latest News Ireland: What happened in the Monaghan bomb investigation?
The newest development in this Breaking News story is the charging of Simon O’Donovan, 44, of Sperrin Road, Dublin 12. He appeared before a late-night sitting of the non-jury Special Criminal Court on Saturday.
He is accused of knowingly possessing an explosive substance, described in court as an improvised device, on July 22, 2026, at St Laurence’s Road, Chapelizod, Dublin 10. The charge was brought under section 4 of the Explosive Substances Act 1883, as amended by later Offences Against the State legislation.
Detective Sergeant Shane Noone of the Garda Special Detective Unit told the court that O’Donovan was arrested at 5.06pm and later charged. According to the evidence outlined in court, he was cautioned and initially said, “I don’t understand.” The detective said the charge was then explained again, after which the accused said he understood.
The court heard that when a copy of the charge sheet was later handed to him and explained in ordinary language, he made no reply.
Why the Special Criminal Court is involved
The Special Criminal Court deals with certain serious offences, including cases linked to organised or paramilitary-related activity, where the State considers the ordinary courts may be inadequate to secure the effective administration of justice. Its involvement immediately raised the profile of this case in Ireland Headlines and among readers following Garda News and Irish Courts coverage.
For anyone asking What’s Happening in Ireland in this case, the key point is that the court venue signals the seriousness with which authorities are treating the alleged offence.
Irish Crime News: The earlier charge linked to the same incident
This Breaking News case follows the charging of a 25-year-old woman on Friday evening. Isobella Perrie Sullivan, who has an address at Abbeylands Park in Clane, Co Kildare, appeared before a special sitting of Trim District Court.
She was charged with possession of explosives after the same vehicle was stopped in Carrickmacross on Wednesday. A Garda Special Detective Unit member told the court that the car she was driving was searched and that a device was found in a bag in the back of the vehicle.
The court heard the device contained:
- a timing power unit
- a detonator
- suspected Semtex, a plastic explosive
According to the evidence presented, the Defence Forces were called to examine the device and later determined that it was viable.
Perrie Sullivan was remanded in custody, with consent to bail, and is due before Monaghan District Court on Monday. Gardaí also sought a bail condition that she have no contact with members of Saoradh or the New IRA, reflecting the wider security concerns surrounding the investigation.
Breaking News Ireland: Key facts readers need to know now
For readers looking for a fast News Today summary, these are the confirmed facts so far:
- A car was stopped on the N2 south of Carrickmacross, Co Monaghan, on Wednesday.
- A suspected improvised explosive device was found in the vehicle.
- The Defence Forces later determined the device was viable.
- A 25-year-old woman was charged on Friday.
- A 44-year-old Dublin man was charged on Saturday night.
- The latest charge was heard in the Special Criminal Court.
- Both accused are due back before the courts on Monday, with a High Court bail application also expected.
This is why the story is leading Breaking News, Ireland News and Latest News feeds: it combines a live Garda security operation, court proceedings and potential public safety concerns.
Who is affected and why it matters
The immediate focus is on the criminal investigation and court process, but the wider significance reaches beyond Monaghan. Cases involving suspected viable explosive devices naturally trigger concern across Northern Ireland News, border county security coverage and national public safety reporting.
It also puts a fresh spotlight on the work of the Garda Special Detective Unit, the Defence Forces’ explosive ordnance expertise and the continued use of emergency legal provisions in serious security-related prosecutions.
For communities in Monaghan, Carrickmacross and nearby routes along the N2, the case matters because it underlines how routine vehicle stops can intersect with major policing and intelligence operations. For the wider public, it is a reminder that anti-terror and explosive substance laws remain an active part of the Irish criminal justice system.
Timeline of the Monaghan car bomb case
Wednesday, July 22
A vehicle was stopped on the N2 south of Carrickmacross in Co Monaghan. A search led to the discovery of a suspected explosive device.
After the discovery
The Defence Forces were called in to assess the device. It was later deemed viable, according to evidence presented in court.
Friday, July 24
A 25-year-old woman was charged in connection with the incident and appeared before a special sitting of Trim District Court.
Saturday, July 25
A 44-year-old Dublin man was charged and brought before a late-night sitting of the Special Criminal Court in Dublin.
Monday, July 27
Further court appearances are expected, including the woman’s remand date in Monaghan District Court and a High Court bail application by the man.
What happens next in this Latest Irish News story?
The next phase of this Breaking News case will play out in court. The man’s case has been adjourned to Monday, and he is applying for bail before High Court Judge Patrick McGrath. The woman is also due back before Monaghan District Court.
At this stage, the criminal process is still at an early point. Charges have been brought, but the allegations have yet to be tested at trial. That distinction matters, particularly in serious cases attracting strong public attention.
Readers following Ireland Live Updates, Garda News and Top Stories Ireland should expect the next confirmed developments to come from court hearings, bail decisions and any further official Garda statements.
FAQ: Monaghan bomb discovery and court charges
What was found in the car in Monaghan?
According to evidence given in court, a device containing a timing power unit, a detonator and suspected Semtex was found in a bag in the back of the car.
Was the device active?
The Defence Forces determined the device was viable, according to the court evidence.
How many people have been charged?
Two people have been charged so far in connection with the investigation.
Where was the car stopped?
The vehicle was stopped on the N2 south of Carrickmacross in Co Monaghan.
What happens next?
Both cases are due back before the courts on Monday, with a High Court bail application also expected.
Conclusion
This Breaking News story is still developing, but the confirmed picture is already serious: a viable explosive device was allegedly discovered in a vehicle in Co Monaghan, and two people have now been charged. As the case moves through the courts, readers looking for reliable Ireland News, Irish Headlines and verified public safety updates should watch for official court and Garda developments rather than speculation.
