Exclusive: Andy Burnham appoints Number 10 policy chief

Andy Burnham has appointed Graeme Cooke, a close ally of his chief of staff James Purnell, as Director of the Number 10 Policy Unit as he prepares to enter Downing Street in a few days’ time.

Cooke, who is currently a policy adviser in Starmer’s Downing Street focused on domestic affairs, will step up to …