Members of the RMT Union will be striking on the London Underground from 5 to 12 January-
Engineering and maintenance workers will take action from 18:00 GMT on 5 January until 17:59 the following day, as well as not taking any no rest-day working or overtime until 12 January;
Control centre and power/control members will walk out for 24 hours from midnight on 7 January;
Signallers and service controller members will go on strike on both 9 and 12 January;
Other fleet, station and train workers will walk out on 8 and 10 January.
Details of how this will affect services will follow in due course