LIVE: Dominic Cummings and Lee Cain face questions at Covid-19 inquiry
Mr Cummings, who served as Mr Johnson's top political aide, and Lee Cain, the former Number 10 director of communications, are to give evidence on Tuesday
Mr Cummings, who served as Mr Johnson's top political aide, and Lee Cain, the former Number 10 director of communications, are to give evidence on Tuesday