Sir Keir Starmer's chief of staff Morgan McSweeney has stepped down amid mounting pressure over the Lord Mandelson controversy.
The Prime Minister's top adviser faced increasing criticism after he recommended the peer for the role of US ambassador.
Sir Keir Starmer's chief of staff Morgan McSweeney has stepped down amid mounting pressure over the Lord Mandelson controversy.
The Prime Minister's top adviser faced increasing criticism after he recommended the peer for the role of US ambassador.