FILE – In this file photo dated Wednesday, Oct. 16, 2019, United Kingdom’s Brexit envoy David Frost arrives at EU headquarters in Brussels. Britain’s chief Brexit negotiator Frost is quoted in a newspaper Sunday Sept. 6, 2020, saying Britain wants “to get back the powers to control our borders and that is the most important thing”, as he talks tough ahead of crucial Brexit trade talks, saying the U.K. was “not afraid to walk away.”