Britain’s former prime minister Keir Starmer, who stepped down as leader this summer after a tumultuous two years in power, announced Tuesday he would quit parliament to focus on “international affairs”. Starmer had informed the Labour Party of his decision to leave Parliament after 11 years, six of those as leader of the party. Key points and original sources are listed below.

• Britain’s former prime minister Keir Starmer, who stepped down as leader this summer after a tumultuous two years in power, announced Tuesday he would quit parliament to focus on “international affairs”. In a statement on social media, Starmer said it was the...S1S4

• Starmer had informed the Labour Party of his decision to leave Parliament after 11 years, six of those as leader of the party.S2

• Keir Starmer said on Tuesday he was resigning as the MP for the Holborn and St Pancras seat in London after 11 years, triggering a by-election.S3