South Western Railway says it plans to run three quarters of services during a one day strike by guards on New Years Eve - using managers.
Hundreds of thousands of rail passengers have been affected by the cancellation of hundreds of trains in a 2-day walkout by train guards.
The RMT has confirmed that members will be taking 24 hours of strike action from 5pm Thursday 4th June until 4.59pm on Friday 5th June.