COMMUTERS face disastrous delays this morning (Tuesday) after railway power lines failed.

Trains to and from Welwyn Garden City, Hatfield, Knebworth and Potters Bar have been affected with many heading towards London cancelled.

Earlier this morning both the Cambridge and Peterborough lines were affected causing problems for commuters travelling into Times Territory.

At present First Capital Connect’s website lists the 9.21am, 9.51am and 10.51am trains to London from Welwyn Garden City as cancelled.