Iranians tell the BBC's chief international correspondent, Lyse Doucet, they're unsure the ceasefire will hold. Meanwhile, US Defence Secretary Pete Hegseth has warned Iran to choose wisely in negotiations with the United States. He said the US military was reloading and ready to go at the push of a button. We have a report from inside Tehran and ask about the prospects for talks between Lebanon and Israel.

Also in the programme: the South African politician, Julius Malema, has been sentenced to five years in prison for violating gun laws; and we find out how sperm whales mirror the language of humans.

(Photo: Lyse Doucet reporting from Tehran: Credit BBC)