All Luas services on the Red and Green lines have been reopened following investigations of "suspicious activity".

A Luas spokesperson said all trams have been reopened and advised passengers to expect delays.

Passengers and drivers on all trams were told earlier to disembark immediately. 

Gardaí said they are working with Luas operators "in relation to a phone call made regarding suspicious activity on a Luas tram this evening".

Passengers, please be advised that the Red and Green Lines have now reopened. Please expect delays while we regulate services. Luas tickets remain valid on Dublin Bus. We will update passengers in due course. We apologise for any inconvenience caused.

— Luas (@Luas) October 9, 2023

A Luas spokesperson said they were "dealing with an incident on line".

Luas tickets remain valid on Dublin Bus for the duration of the disruptions.

Gardaí said no further information is available.