There are warnings that London's transport network could be 'chaos' on Monday if a planned 24 hour strike goes ahead.
Talks to avoid industrial action broke down on Thursday.
Unions and tube bosses are locked in a row about ticket office closures.
And if they can't find a resolution, then many London Underground stations will be closed from 1800 GMT on Sunday.
London reporter Charlotte Wright is at King's Cross station and says it could cause severe disruption.
IN: "It might….
OUT: …go ahead."
DUR: 45 seconds
http://www.fsnradionews.com/feeds/0106strike-wright1.mp3
Talks to avoid industrial action broke down on Thursday.
Unions and tube bosses are locked in a row about ticket office closures.
And if they can't find a resolution, then many London Underground stations will be closed from 1800 GMT on Sunday.
London reporter Charlotte Wright is at King's Cross station and says it could cause severe disruption.
IN: "It might….
OUT: …go ahead."
DUR: 45 seconds
http://www.fsnradionews.com/feeds/0106strike-wright1.mp3