people from afghanistan, according to the defence secretary. pressure s growing on us presidentjoe biden to delay the withdrawal of american troops beyond his august 31st deadline. he ll have talks with the leaders of the g7 group of nations tomorrow. however, a spokesman for the taliban said they won t allow any more time for the current evacuation mission. in kabul, there s been a gun battle at the airport and a member of the afghan security forces has been killed. paul adams reports. this is a vast, multinational operation. kabulairport full this is a vast, multinational operation. kabul airport full of military planes ferrying foreigners and afghans to safety all around the clock. but for how long? the taliban have said again that western troops must be out of the country by the end of the month. without their cooperation and america s huge presence none of this can continue. but international pressure to keep