File photo: Britain's Prime Minister Boris Johnson walks out the door to meet Norwegian Prime Minister Jonas Gahr Store at 10 Downing Street in London, Friday, May 13, 2022.  Johnson is heading to Northern Ireland on Monday, May 16, 2022 to try to end a political deadlock that is preventing the formation of a regional administration. AP
File photo: Britain's Prime Minister Boris Johnson walks out the door to meet Norwegian Prime Minister Jonas Gahr Store at 10 Downing Street in London, Friday, May 13, 2022. Johnson is heading to NorShow more

UK's Boris Johnson prepared to act if EU refuses to compromise on NI Protocol