The Palestinian Red Crescent say a strike on a tent encampment in northern Gaza killed at least six people.

Ghana has called on Russia to extradite the man, who is accused of recording sexual encounters without consent.

Majid Takht-Ravanchi, Iran's deputy foreign minister, tells the BBC's Lyse Doucet that the ball was "in America's court to prove that they want to do a deal".

There is no innocent explanation for the toxin being found in samples taken from Navalny's body, Foreign Office says.