The foreign secretary, William Hague, announced on Wednesday that the UK mission in the country was to close, saying that the protests had the backing of the Iranian regime.
Iran has blocked access to the website of the British embassy in Tehran following a diplomatic crisis last month that led to the closure of the UK mission.
Holmes succeeded in "bumping into members of the UK military mission who he knew", on the trip, according to Sweeting's letter.
An estimated £130,000 worth of art at the UK mission was destroyed.
Thanks you Ambassador Matt Baugh and the UK mission to Somalia.
Overseas Ahmadiyya missionary activities started at an organised level as early as 1913 (the UK mission in Putney, London).
At last I hope that the UK mission will continue to carry on the wonderful job and give a chance to peace and democratic nation building of the Somali people.
One of the most valuable, Klaus Fuchs, was a German émigré theoretical physicist who had been part of the early British nuclear efforts and the UK mission to Los Alamos.
We are the only UK mission in Germany that issues visas and passports and our trade and investment work for the whole of Germany is co-ordinated from Düsseldorf.
He was appointed counsellor and Head of Chancery at the UK mission to the United Nations in New York and served there from June 1986 to 1989.