Kent and Sussex commuters face more travel misery after Southern Rail and Gatwick Express drivers voted for more industrial action.
The Aslef union said members backed further walkouts over plans to make drivers close train doors by 4-1.
Unions already staged strikes on April 26, April 27 and May 18, running a limited service on some routes and no service on others.
No Southern Rail services ran between Oxted and Uckfield or between Redhill and Tonbridge on these days.
The dates for the...
