Train passengers have been facing delays travelling between London and Hertfordshire after damage to overhead power lines.
More than half a mile of cables collapsed at Radlett, causing problems on First Capital Connect, East Midlands and Southeastern services.
Paul Brand reports.
More top news
Tributes have been left in Caledonian Road in Islington where 15-year-old Alan Cartwright died after he was stabbed.
A boy has died after he and his friends were attacked while cycling in north London.
Three police officers have been praised for their actions in helping a four-year-old boy who had become stuck on a roof in Newham.