in afghanistan s capital kabul in the past few days, where they face an uncertain future. people have been coming in from different parts - of the country as more and more provincial capitals, more and more cities are being taken over by the taliban. - also in the programme, the latest on the huge wildfires affecting greece and other countries. on the greek island of evia, crews from britain, france and the czech republic have joined efforts to try to stop more fires breaking out. and the bbc uncovers evidence of suspected war crimes carried out in libya by russian mercenaries. we have an exclusive report on their activities. a new bbc investigation has exposed the scale of russian mercenary involvement in libya. the country has been in turmoil since 2011, when a popular uprising saw colonel gaddafi removed from power after more than four decades. his toppling led to a power vacuum, with no authority in full control. since 2014, control