Army officers say they are taking power in Gabon

Army officers have appeared on national television in Gabon, claiming to have toppled President Ali Bongo. They said they were annulling the results of Saturday's election.

The US State of Florida braces for the arrival of Hurricane Idalia, which has been described as life threatening.

Ukraine's counteroffensive makes modest gains as it moves slowly in the south, though the fighting is intensifying in the north-east of the country.

And Asia's richest man moves to clarify succession plans for his vast business empire to avoid mistakes of the past.