Both bores of the Dublin Port Tunnel have been closed.
Dublin City Council says it's due to a technical issue.
It's warned of delays on the M1-M50 southbound, and also exiting the Port due to the problem.
DUBLIN TUNNEL: The Dublin Tunnel is currently closed in both directions due to a technical malfunction.
Significant delays affecting both bores. Please slow down and approach these areas with caution. HGV ban is still in place.— Traffic Management Centre (@DCCTraffic) June 30, 2021
