Steam train takes to London Underground in test run
A steam train built more than 100 years ago took to London's Underground system at the weekend.
Transport for London is operating a service on 13 January to commemorate 150 years since the first London Tube journey.
A test run took place in the early hours of Sunday morning in preparation for the 300 passengers who applied for tickets through a ballot.
Peter Hendy of Transport for London, Sam Mullins of London Transport Museum and train driver Jeffrey Phelps feature in this report by BBC London's Sonja Jessup.
(Pictures from London Transport Museum)