In his first Commons appearance since quitting the Cabinet Mr Streeting warned of an 'existential threat to the UK' as he set out a thinly veiled pitch to replace Sir Keir.

The foreign secretary dismissed Streeting’s call to overturn Brexit as a ‘sixth form debate’ - and warned it would pave the way for Farage to take power

In his first Commons appearance since quitting the Cabinet Mr Streeting warned of an 'existential threat to the UK' as he set out a thinly veiled pitch to replace Sir Keir.