Power conservation interests led to the regulation of mutual pilgrimage. On July 31, 1987, 402 people lost their lives in conflicts between Iranian Hajjis and Saudi Arabian Crowd control (275 Iranians, 85 Saudis, including police, and 42 pilgrims from other states). On August 1, 1987, in Tehran, the Saudi embassy was raided, looted, illegally deprived of the presence of personnel, ill-treated, and the homes of Saudi diplomats attacked, resulting in a sarcastic officer dying of his injuries.