The Defence Forces have confirmed that a suspicious device found beside the railway line in Dun Laoghaire in Co Dublin earlier today was a viable bomb.
The device was discovered at around a 12.15pm and a number of DART services were cancelled as a result.
All train services have now resumed normal operation and the device has been removed from the scene.
"An Army Bomb Disposal Team made safe a viable Improvised Explosive Device in Dún-Laoghaire, Co. Dublin this afternoon," the Defence Forces said in a statement.
"The Defence Forces deployed the team to a pedestrian bridge over the DART line on the Old Dún-Laoghaire Road in response to a request by the gardaí.
"The team arrived on scene at 1.25pm, the scene was declared safe at 2.50pm and the device was removed to a secure military location for further examination.
"The remains of the device will be handed over to the gardaí for their investigations."