The leader of the biggest rail workers' union has called for a special summit to tackle the chaos in the industry amid escalating strikes.Passengers suffered fresh travel misery on Saturday as members of the Rail, Maritime and Transport union walked out in a long-running dispute over pay and conditions.The strike, on the day of the final of the Eurovision Song Contest in Liverpool, followed a stoppage by train drivers on Friday which crippled services across England.

The leader of the biggest rail workers' union has called for a special summit to tackle the chaos in the industry amid escalating strikes.Passengers suffered fresh travel misery on Saturday as members of the Rail, Maritime and Transport union walked out in a long-running dispute over pay and conditions.The strike, on the day of the final of the Eurovision Song Contest in Liverpool, followed a stoppage by train drivers on Friday which crippled services across England.