Both Luas Red and Green Lines have re-opened after a power outage caused widespread disruption this morning.
There was no service between from Smithfield to the Point on the Red Line and on the Green Line, service between Broombridge and St Stephen's Green had been suspended.
The disruption follows the closure of Luas Red Line services between Connolly and The Point due to a fire in the docklands, which will stay suspended over the coming weeks.