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The PM says he doesn't think his poodle-mix would "get along" with Larry the cat, who has lived at No 10 for 15 years.
The new prime minister told Laura Kuenssberg that people "voted for a manifesto" that he would honour, when pressed on whether there will be an early general election.
See inside Andy Burnham's first week in charge, with an exclusive behind the scenes look with Laura Kuenssberg.
The BBC's Sarah Smith looks at how the new UK prime minister will manage his most crucial, and perhaps the trickiest, international relationship.
Andy Burnham spoke outside Downing Street after he replaced Keir Starmer as prime minister and leader of the Labour party.
The prime minister and opposition leader spoke after the police announced a murder investigation into the death of Ann Widdecombe.
In a statement filmed by Reform UK Nigel Farage announced he will resign as an MP to trigger a by-election which he will stand in.
Trump was more 'funny' than he had been expecting, Morgan McSweeney told the BBC.
Donald Trump gives his first public reaction to the prospect of Andy Burnham becoming prime minister.
Andy Burnham delivers his victory speech after Makerfiled by-election.
BBC chief political correspondent Henry Zeffman explains what this could mean for a potential Labour leadership contest.
BBC Chief Political Correspondent Henry Zeffman explains what is next for the government after the King's Speech.
King Charles III has unveiled the government's agenda in a speech to Parliament.
Sir Keir Starmer will meet Wes Streeting for talks after a day that saw his leadership come under significant pressure.
Over 80 Labour MPs have now urged Keir Starmer to quit immediately or draw up a timetable to leave.
Several ministers were met with a barrage of questions about the PM's future after leaving a cabinet meeting.
Watch: Keir Starmer's message of defiance to his own party
Henry Zeffman: Election results leave Starmer vulnerable
