The man arrested on suspicion of murdering Sir David Amess is Ali Harbi Ali, Whitehall officials tell the BBC.
Prof Dame Sarah Gilbert says medical science has transformed ambitions for new vaccines.
As well as his TV career, Alan Hawkshaw was in the Shadows and toured with the Rolling Stones.
Sir Lindsay Hoyle says he wants MPs to be able to meet constituents safely, following the killing of Sir David Amess.
Her family has told the BBC that they fear she could be returned to jail at any time.