As a result trains between St James station in Newcastle and South Shields are being delayed by up to 25 minutes.
The service tweeted: "Delays of up to 25 mins to trains running between St James and South Shields due to vandalism."
Delays on Metro system due to vandalism
There are delays on the Metro system tonight due to problems with vandalism.
By The Newsroom
Friday, 28th December 2018, 8:26 pm
Updated Wednesday, 9th January 2019, 1:51 am