evidence: The row centred on Bahrain and three small but strategically located islands near the Strait of Hormuz: Abu Musa, and the Greater and Lesser Tunbs. [...] The documents also reveal that Sheikh Zayed agreed with the decision. The emir of Sharjah meanwhile agreed a last-minute deal with Iran to share the administration of Abu Musa. This lasted until 1992, when Iran took full control of the island.