London train strikes: What you need to know
An overtime ban and several days of strike action are set to cause disruption for rail passengers in London.
Aslef, the train drivers' union, says a 4% pay rise was offered - and that is unsatisfactory. The government, however, says it's a fair deal and the union should accept the offer.
BBC London's transport correspondent Tom Edwards has more on the services affected and what it means for passengers.