Keir Starmer, the former Prime Minister of the United Kingdom, announced on Tuesday that he is standing down as the Member of Parliament for the Holborn and St Pancras constituency in London. ^[1] Sir Keir Starmer, the former Prime Minister, announced his intention to quit as an MP earlier in the week and plans to focus on international affairs. ^[2] Zack Polanski, the leader of the Green Party, announced his intention to stand as a candidate in the by-election for the Holborn and St Pancras constituency to replace Sir Keir Starmer. ^[3] Starmer stated that it was the right time to resign after serving 11 years in parliament, six of which were as the leader of the Labour Party. ^[4] Starmer wrote on social media that he intends to step aside to focus on international affairs, specifically defense, security, trade, and technology in a fast-changing world. ^[5] The announcement comes six weeks after Starmer resigned as the leader of the United Kingdom's Labour Party following a loss of support from ruling party MPs. ^[6] Andy Burnham is expected to become the Prime Minister and will face his first electoral test in the Holborn and St Pancras by-election. ^[7] Zack Polanski stated that the Green Party can win the seat and that voters would have someone who fights for them without fear of big donors or the party whip. ^[8]