In 1980 across London news about the terrorist attack directed to the Iranian Embassy immediately scattered. Everything began with the fact that the group of unknown rushed into the building of embassy and took all his employees prisoner. The authorities tried to agree with terrorists, however their requirements were impracticable. The management of special troops made the decision to storm the building in spite of the fact that the victims among the civilian population could appear. The situation became aggravated the fact that the building of embassy was well strengthened, and it prevented soldiers to achieve goals quickly.