The UK's former chief scientific advisor Sir Patrick Vallance has told the Covid Inquiry how the then Prime Minister Boris Johnson struggled to fully understand scientific data during the pandemic. We speak to one of the scientists that sat on the government's advisory committee. Also on the programme - with reports tonight that a deal to free some of the hostages held by Hamas could be imminent - we hear from one of their relatives. And can Argentina's new president Javier Milei keep his promise to turn around the economy?

(Image Credit: Former chief scientific adviser Sir Patrick Vallance giving evidence at Dorland House in London, during its second investigation exploring core UK decision-making and political governance. Issue date: Monday November 20, 2023. PA Photo).