LONDON Ambulance Service sent five vehicles to Warren Street Tube station at 12.45pm yesterday after receiving reports of a rucksack exploding on a train in a tunnel just outside the station.

Terrified Tube passengers were evacuated from trains today as police dealt with “incidents” at three different London Underground stations.

Services on three London Underground lines have been suspended after smoke was reported following a number of "incidents" at three different tube stations in London.