BORIS JOHNSON has issued a “declaration of war” on rail workers by calling for an effective ban on all-out rail strikes, trade unionists warned today.

The Queen’s Speech on Thursday is expected to include plans to prevent rail unions from being able to launch full-scale strike action, with a bill that will seek to ensure “minimum service levels” on “key” transport networks such as railways and bus routes.

Transport Secretary Grant Shapps said that “the ability of a few people to prevent everyone from being able to earn a living has to come to an end.