US
They are still open to calling a vote of no confidence, says finance chief of the Labour Party
As officials sense a glimmer of hope after Johnson's meetings with Merkel and Macron this week
As the British PM makes his maiden trip abroad as leader
After vowing to get a new divorce deal with the EU or leave without one by October 31
As May is set to resign on June 7 over her failure to deliver a deal to bring Britain out of the EU
Opponents say Johnson deliberately misled the public in Brexit referendum the amount could be spent on state-run NHS