High Quality Content by WIKIPEDIA articles! The 2011 attack on the British Embassy in Iran was a mob action on 29 November 2011 by a crowd of Iranian protesters who stormed the embassy and another British diplomatic compound in Tehran, Iran ransacking offices and stealing documents. One small building was set on fire during the incident and several people were injured. Iranian opposition student groups condemned the storming of the embassy and Advar Takhim said the attackers were from the basij militia, a paramilitary force that has played a significant role in the government`s response to protests organised by various student, women and political movements.