Sir Chris Whitty will give evidence to the Covid Inquiry today in a highly anticipated appearance. 

It comes a day after Sir Patrick Vallance, the former chief scientific adviser, offered his insights into Boris Johnson and his ministers’ handling of the pandemic.

Diary entries by Sir Patrick have offered extraordinary insights into his view of Mr Johnson, Rishi Sunak and the decisions taken by politicians as the crisis unfolded.

Lady Hallett’s inquiry heard on Monday that Mr Johnson was “bamboozled” by the graphs and data presented to him, and was sometimes a “broken” man.

The inquiry heard how Mr Johnson sometimes struggled to retain scientific information, was “clutching at straws” and at one point queried whether Covid was spreading “because of the great libertarian nation we are”.

Sir Patrick’s diaries also suggested that Mr Sunak, then chancellor, thought it was “okay” to “just let people die”.

Follow the latest developments below.