Keir Starmer has announced he will stand down as prime minister after months of intense pressure from Labour MPs. The Guardian's political correspondent Aletha Adu looks back at the highs and lows of his two-year premiership and what prompted his decision to step away, paving the way for the UK’s seventh prime minister in 10 yearsKeir Starmer to step down as prime minister two years after historic election victory Who is Andy Burnham, the ‘man of the people’ likely to be next UK prime minister?Keir Starmer has quit as prime minister – what will happen next in UK politics?