Boulogne-Sur-Mer – People who earn a living from fishing in the English Channel battened down the hatches on Monday for an escalation of a Franco-British row over fishing licences that they anticipate will be costly on all sides. France alleges Britain is not honouring a post-Brexit deal on access to British fishing grounds and has said that from midnight (2300 GMT) on Monday it will retaliate by stepping up checks on trucks coming from …