New Delhi, June 22 -- The days as prime minister of the United Kingdom seem to be numbered for Kier Starmer as he is expected to soon announce a timetable for his departure from 10 Downing Street, which will make way for the country to get its seventh prime minister in the span of a decade.

This move will also clear the way for Andy Burnham to replace Starmer as the British premiere.

People familiar with the matter have said that Starmer has spent the weekend considering whether he should step aside and allow Burnham to take over.

The UK PM is under pressure after Burnham, the Greater Manchester mayor, decisively won a parliamentary election to return to Westminster, beating a candidate from Nigel Farage's Reform UK party which has led...