In 2021, the Electoral Commission fined the think-tank run by Morgan McSweeney after identifying more than 20 breaches of election law relating to undeclared donations.

In a controversial move, the Electoral Commission said it would not reassess why Morgan McSweeney failed to declare the donations to his think tank Labour Together.

Electoral Commission decision will come as relief to PM after Tory claims that his chief of staff’s position was in peril