The "chief mouser" sat underneath the president's limo and reportedly refused to move during his state visit to the U.K.
Britain is due to leave the European Union at the end of next week, but May is seeking to delay Brexit for a second time.
May has faced intense pressure over her handling of Brexit.
It is time for the UK to stand up for what is in Britain's national interest and make it crystal clear that it will veto Ms. Malcorra candidacy. Not only over concerns over the Falkland Islands, but also because her track record serving at the very top of the UN during a scandal revealed her poor character.
After enacting extreme austerity measure in the UK with the promise that cutting spending would solve the economic crisis, the Conservative government has a lot of explaining to do after it was announced last week that Britain was falling back into recession again.