FILE - Britain's Foreign Secretary Boris Johnson talks to a British armed forces serviceman based in Orzysz, in northeastern Poland, during a ceremony at the Tomb of the Unknown Soldier and following talks on security with his Polish counterpart Jacek Czaputowicz in Warsaw, Poland, Thursday, June 21, 2018. British media say Prime Minister Boris Johnson has agreed to resign on Thursday, July 7 2022, ending an unprecedented political crisis over his future. (AP Photo/Czarek Sokolowski, File)