Boris Johnson today hailed "colossal" British troops as the final flight from Kabul landed in the UK

Britain's diplomatic efforts will now shift to supporting the people of Afghanistan from outside the country. Our Embassy and Ambassador to Afghanistan Laurie Bristow will temporarily move to Qatar to lead Britain's diplomatic, security and humanitarian engagement.

Boris Johnson today hailed "colossal" British troops as the final flight from Kabul landed in the UK

It also marked the end of two decades of military involvement in war-torn Afghanistan. The PM praised this effort in a video message today. He said: "Britain soldiers and officers have worked round the clock in harsh conditions to a strict deadline.

"He has expended all the patience and care and thought he has to help people in fear for their lives." They have witnessed for the first time barbaric terrorist attacks on the lines of people they were trying to comfort, as well as our American friends. "They didn't panic. They remained calm. They got to work.

"It is thanks to their enormous efforts that this country has now processed, screened, screened and airlifted more than 15,000 people in less than two weeks." More than 15,000 people, including 5,000 British nationals, have been airlifted to safety in less than two weeks. Under Operation Pitting. RAF pilots flew 261,000 miles and escorted the evacuation to a safe location – 8,000 of them vulnerable Afghans, many of whom served as interpreters or embassy officials for the UK.

Crowded on 100 planes, the lucky ones  2,200 of whom are children and the youngest barely a day old –will have the opportunity to build a new life in the UK. There were 436 people on board a C-17 transporter plane that took off from Kabul this week, the single largest-capacity flight in RAF history. Operation Pitting was Britain's largest military evacuation since World War II.

The number of Afghans brought to Britain under the Afghan Rehabilitation and Assistance Policy (ARAP) since its inception in April is about 10,000, more than double the expected number. Over the past fortnight, the British Armed Forces have also flown in and delivered vital supplies. Support those going through the evacuation process, including vegetarian and halal food and 250,000 liters of bottled water.

Britain's diplomatic efforts will now shift to supporting the people of Afghanistan from outside the country. Our Embassy and Ambassador to Afghanistan Laurie Bristow will temporarily move to Qatar to lead Britain's diplomatic, security and humanitarian engagement.

There are plans to re-establish a diplomatic presence in Kabul as soon as the security and political situation in the country permits. Officials say this will help Britain fulfill its commitment to the people of Afghanistan. This includes the delivery of humanitarian aid and bringing more vulnerable Afghans to the UK through ARAP and the Afghan Civil Rehabilitation Scheme.