Southern European countries have issued health and fire warnings as temperatures may exceed forty Celsius this weekend. Spanish emergency services are on standby for a surge in heatstroke cases, while Italian authorities are advising residents in several cities to stay indoors during the middle of the day. We hear from the UN Habitat's Global Heat Officer, Dr Eleni Myrivili.

Also in the programme: reportage from our Chief International Correspondent Lyse Doucet in Iran; a controversial smoking ban in France; and a high-profile wedding in Venice.

(Photo: People cool off in a fountain during a heatwave, in Rome, Italy, 28 June 2025. Credit: ANGELO CARCONI/EPA/Shutterstock)