Luas Green Line services have been restored after disruption this morning, according to the company, though some delays remain.
A technical fault at the Sandyford Depot this morning halted all trams on the line.
Red Line services were not affected.
Service has been restored on the Green Line, please be advised that are some slight delays.
— Luas (@Luas) April 29, 2016
Meanwhile, Iarnród Éireann is reporting delays of up to 30 minutes on services into Heuston due to a mechanical issue with a train just outside Newbridge.