Calais mayor tells Boris Johnson to 'calm down' over migrant crossings

Natacha Bouchart tells PM sending Navy ships into French waters is a declaration of maritime war'

The mayor of the French port city of Calais has told Boris Johnson to calm down" and change strategy in dealing with migrants crossing from France.

I consider Boris Johnson's pronouncements to be a provocation," said Natacha Bouchart, mayor of the town that is a main embarkation point for the small, overcrowded migrant boats seeking to cross the Channel this summer.