Watch Dominic Cummings committee testimony on Boris Johnson and COVID – live

Dominic Cummings is giving evidence about the government's response to the coronavirus pandemic, in what could be a damaging day for Boris Johnson.

Cummings was Johnson’s chief adviser between July 2019 and November last year, and has hinted there will be explosive revelations when he appears before the House of Commons health and social care and science and technology committees on Wednesday.

Cummings will be quizzed about a wide range of topics including decision-making in the early months of the pandemic, timing of lockdowns and border policy.

You can watch the hearing from 9.30am in the video stream at the top of this page.