this is bbc news — i'm lucy hocking in tokyo on the closing day of the olympics. team gb cyclist jason kenny successfully defends his keirin title to become the first briton to win seven olympic gold medals. lauren price wins the women's middleweight final becoming the first welsh boxer to claim olympic gold. the us women's basketball team win its seventh consecutive gold medal with a 90—75 victory over home team japan. in other news: reports from northern afghanistan say there's heavy fighting in the city of kunduz, where government forces are trying to push back taliban militants. new changes to the uk's covid travel