Boris Johnson's sister, Rachel, says Dominic Cummings should admit he 'messed up'. Ms Johnson said the country would be able to move on from outrage over the behaviour of her brother's top aide if he apologised.
It comes amid a growing revolt in Boris Johnson's party, with at least 30 Tory MPs having now publicly called for Mr Cummings to be sacked or to resign.
And a YouGov survey for The Times showed the Conservative lead over Labour dropped by nine points during the Cummings saga, as support for the Government fell four points to 44% with Labour rising five points in the week to Tuesday, to 38%.
Senior ministers have expressed public support for the defiant adviser but there are reports a number of Cabinet members have privately
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