this is bbc news broadcasting to viewers in the uk and around the globe. i'm tim willcox. our top stories... american bombers launch air strikes on taliban fighters who'd taken the afghan city of sheberghan, more than 200 are killed. on the final day of the olympics, lauren price caps her switch from footballer to boxer with a middleweight gold medal for team gb. another golden moment for team gb cyclistjason kenny, making him the country's most decorated olympian. greece on fire. thousands are forced to evacuate their homes in athenian suburbs, and on the country's second—largest island of evia. new changes to the uk's covid travel