GANGS of yobs are jumping on late-night weekend trains to start fights with youths from neighbouring towns.
Teenagers from Runcorn have been caught travelling to Frodsham and Helsby in Cheshire intent on causing trouble.
Rival groups from Frodsham have met with feuding mobs from Runcorn and violent clashes have been reported.
Police have launched an operation to target potential troublemakers who are using the trains to visit nearby towns.
A 16-year-old boy was arrested in Frodsham over the weekend and given a fixed penalty notice for causing disorder.
Officers are intercepting gangs on the train and confiscating alcohol before ejecting them at stations along the route.