Conservative Party
The prime minister has already called Keir Starmer to congratulate him.
The MP is returning to parliament via an exceptionally narrow win in a previously safe Tory seat.
The defence secretary was booted out after 19 years as an MP.
One of Sunak's closest allies in government Liam Booth-Smith and Theresa May have also been nominated for a seat in the Lords.
Writing for HuffPost UK, the shadow education secretary says "the worst will be yet to come" if the Tories are re-elected.
Labour leader set to become prime minister as Tories face electoral wipeout.
Soaring numbers now believe that "nothing in Britain works any more".
But reports claim the PM is concerned he may lose his own seat.
The right-leaning tabloid said: "It's time for a change."
Labour is on course for a majority of 210 seats as Conservative support collapses.