The militant group says the attack killed 20 people and wounded 30.

Witnesses say the powerful explosion was heard in a northern Kabul neighbourhood, shattering windows in nearby buildings.

Islamic State, a Sunni Muslim militant group, claimed responsibility for the attack.

Security concerns have risen across Afghanistan as the country prepares to mark Eid on Sunday under Taliban rule for the first time in more than 20 years.

Ben Wallace, whose department led the Kabul evacuation effort, says Boris Johnson never spoke to him about the issue.

British Prime Minister Boris Johnson previously dismissed the claim as 'nonsense'.

Last month the office was forced to close after equipment used for issuing biometric documents broke down under the pressure of processing thousands of applications a day but demand has built steadily.

The women had gathered outside a high school in eastern Kabul demanding the right for girls to return to secondary school.

The war in Afghanistan has ended, but the conflict on who represents the people of that war-torn country remains unresolved.

Celebratory gunfire rang out in Kabul and elated senior Taliban officials hailed the event as a watershed moment.

The rockets fell as US troops were racing to complete their withdrawal from Afghanistan and evacuate allies.

Smoke could be seen rising above buildings in the north, where the Hamid Karzai International Airport is located.