Tube 48-hour strike dates announced by RMT union
10 January 2014 Last updated at 20:40 GMT
Two 48-hour strikes on the Tube will take place on 4 and 5 February, and 11 and 12 February, the RMT union has announced.
London Underground workers voted to go on strike in protest at plans to close ticket offices and axe 750 jobs.
BBC London transport correspondent Tom Edwards spoke to Bob Crow, of the RMT Union, and Phil Hufton, of London Underground.