The Iranian Revolutionary Guards declared the Strait of Hormuz shut again on Saturday. Meanwhile Iranian state media says high level officials have arrived in Switzerland for peace talks starting this Sunday. And after initially cancelling his trip, US Vice President JD Vance has landed to take part. Tehran’s nuclear programme and other points in the agreement are conditional on a halt in fighting in Lebanon. But the Lebanese civil defence said 20 people were killed by Israeli strikes on Saturday. Details from the ground by FRANCE 24 correspondent in Tehran and Beirut, Reza Sayah and Renée Davis.