Liz Truss officially becomes British prime minister after meeting Queen Elizabeth

She will now head to Downing Street to deliver her first speech in office, just hours after Boris Johnson used his farewell address to pledge “fervent support” to his successor

Queen Elizabeth II welcomes Liz Truss during an audience at Balmoral, Scotland. Picture: Jane Barlow/PA Wire

Liz Truss has become Britain's third female prime minister after meeting Queen Elizabeth II at Balmoral, in Scotland.

She will head to Downing Street to deliver her first speech in office, just hours after Boris Johnson used his farewell address to pledge “fervent support” to his successor.