EXC: Carrie Johnson did instigate the PM's birthday gathering on 19 June 2020, messages suggest.
— Harry Yorke (@HarryYorke1) January 28, 2022
Sue Gray inquiry is looking into message sent by Mrs Johnson to an official asking them to get staff together.
She said she would organise a cakehttps://t.co/ca2ZWg0hks