warn their remaining citizens in afghanistan to leave as the taliban continue their advance, seizing a second provincial capital. hundreds are evacuated by ferry in greece, as firefighters continue to battle an unprecedented outbreak of wildfires. the end of most coronavirus restrictions in wales — no more limits on meeting indoors, plus an end to rules on social distancing. and it's gold medal number 20 for team gb — asjoe choong takes top spot in the men's modern pentathlon. in quarter of an hour, we'll have a full round—up of all the day's sport — including the details of more medal success for team gb at the olympics, and the outcome of the crucial deciding test between the british lions and south africa. but first — it's click. this week on a special programme. can artificial intelligence make health care better for all of us and