Said Reza Adib investigates conditions inside Greek migrant camps, locked down as coronavirus spread across the world, with vulnerable people havinge to share taps and toilets with those who have tested positive for the virus. Strict quarantine is enforced on camps where coronavirus cases are confirmed, leading to some shortages in food, water and medical care inside. The programme hears from charity and public health experts who warn that any failure to control the spread of the virus inside the camps could lead to potentially dangerous outbreaks.

Hundreds of sub-postmasters were jailed or financially ruined after computers said money was missing from their branches, but the Post Office has admitted that its Horizon system can make mistakes. But when did senior managers find this out, and did they continue to prosecute postmasters for stealing when they knew technology could be to blame? Reporter Nick Wallis investigates what could be Britain's biggest-ever miscarriage of justice scandal and uncovers evidence of a cover-up at the Post Office.