Top Tories join calls to bar Cummings from scientific advisory group

Cross-party demand for transparency after chief adviser is revealed as attending meetings of Sage

Boris Johnson is facing cross-party calls to stop his chief adviser from attending meetings of the secret scientific group advising him on the coronavirus pandemic, as demands grow for the committee's deliberations to be made public.

The former Brexit secretary, David Davis, is among those calling for Dominic Cummings and Ben Warner, an adviser who ran the Tories' private election computer model, to be prevented from attending future meetings of the Scientific Advisory Group for Emergencies (Sage).