Tens of thousands of Afghans have been unable to access UK help following the fall of kabul because of turmoil and confusion in the foreign office. 

A former diplomat has claimed bureaucratic chaos, ministerial intervention and lack of planning in the department led people vulnerable at the hands of the taliban. 

The whistleblower’s evidence has launched an internal inquiry, which has already contributed to the decision to move UK foreign secretary Dominic Raab to a new cabinet role.