The diplomatic row was sparked hours after party leader Nigel Farage and Zia Yusuf, its home affairs spokesman, unveiled 'Operation Fortress' at a press conference on Monday.

Reform UK’s spokesman claimed the move would render the border ‘impenetrable’, ensuring ‘nobody’ could reach UK shores via small boat

Operation Fortress, would see the Royal Navy put to work protecting Britain's borders and towing any small boats back to France.