Two prisoners, one armed with a weapon, barricaded themselves in a cell.
A five hour hostage crisis at a prison ended during the week after a weapon was exchanged for a bar of chocolate.
The incident happened at around 3pm on Thursday at the Midlands Prison in Portlaoise.
Two prisoners, one armed with a weapon, barricaded themselves in a cell after taking another hostage.
Specialist officers were called in along with trained negotiators.
After a five hour standoff, one of the prisoners agreed to open the cell and exchange the weapon for a mars bar.
The hostage was left uninjured and the attackers were detained by prison officers.
Meanwhile, the Irish Prison Service has confirmed an incident happened in the Midlands Prison on Thursday, involving four prisoners.
It says it was successfully resolved and no staff were injured, while the prisoners involved received only minor injuries.
Senior Management in the jail have started an investigation and gardai were notified.
Over 90 Exhibitors Set For Live Well Expo In Laois
Trump Only Focused On Own Agenda - Former Army Ranger
Taylor Swift Wax Figure Unveiled In Ireland
Artemis II Crew Sets Record Distance In Historic Moon Mission
A Westmeath Student Accused Of Laundering Almost €200,000
Storm Dave Set To Arrive In Midlands On Saturday
Offaly TD Backs Grants To Tackle Housing Crisis And Boost Town Centres
Concerns Raised Over Eating Disorder Treatment Waiting Lists
Holidaymakers Urged To Book Early Amid Fuel Supply Fears
Live Register Figures On The Rise In The Midlands
PHOTOS: Mullingar Carers Concert
Gardaí Appeal For Witnesses To Westmeath Burglary
HSE Urges Midlands Patients To Use Injury Units Over Easter
Around €10k of Cannabis And Cocaine Seized In Laois
Irish Farmers Warn Not Enough Gov Action On Fuel Costs
Easter Bank Holiday Weekend Road Safety Campaign In Place
CAP Changes Could Jeopardise Farm Incomes - IFA
Niall Horan Tickets On Sale At 10am
€7m Cannabis Seizure In Midlands
Enterprise Minister Welcomes Creation of 400 Jobs