Avoid Waterloo, passengers warned after signal failure

Fault fixed but commuters told to avoid country’s busiest station amid disruption across entire South West Trains networkPassengers are being advised not to travel to the country’s busiest railway station – Waterloo – because of a signal failure.South West Trains warned that services across the whole of its network, including to and from London Waterloo, may be cancelled, delayed by up to 90 minutes or revised, although it has now been able to resume running trains.Contin