Afghanistan live news: Taliban say deadline extension for foreign troops is ‘red line’

Latest updates: Taliban spokesman says group will not agree to foreign troops staying longer than 31 August

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5.12pm BST

The defence department spokesman, John Kirby, has said the US military has in one case helicoptered US citizens into Kabul airport and has the capability to carry out further extraction operations of US nationals, by air and road.

The announcement followed criticism of defence secretary Lloyd Austin's statement last week that the US military would not go beyond the airport perimeter, at a time when British special forces had gone out into the city to fetch UK nationals.

4.54pm BST

A new flight carrying evacuated at-risk Afghans will arrive in the United States later on Monday from Ramstein air base in Germany, according to a senior US state department official.

Reuters reports that the official said the pace of flights from transit hubs temporarily housing those evacuated from Kabul will accelerate.