The Government will fight a legal battle over the Covid inquiry's demand to release Boris Johnson's unredacted WhatsApp messages, diaries and personal notebooks.The Cabinet Office said it was seeking a judicial review of inquiry chairwoman Baroness Hallett's order to release the documents, arguing that it should not have to hand over material which is "unambiguously irrelevant".

The Government will fight a legal battle over the Covid inquiry's demand to release Boris Johnson's unredacted WhatsApp messages, diaries and personal notebooks.The Cabinet Office said it was seeking a judicial review of inquiry chairwoman Baroness Hallett's order to release the documents, arguing that it should not have to hand over material which is "unambiguously irrelevant".