Afghan government spokesman killed

Afghans react with horror to the latest Taleban attack - the assassination of the government's spokesman in Kabul. Also in the programme: shocking new evidence that the ocean current system in the Atlantic, which has a huge influence on the world's climate, is in danger of collapse; and Italy adopts Covid passports for people who want access to indoor venues. (Image: Afghan security officials inspect the scene of an attack on Dawa Khan Menapal, the head of the Afghan government"s information centre, in Kabul, Afghanistan, 06 August 2021 / Credit: EPA / Jawed Kargar)