the 1920s, Said bin Hamad took up residency in Kalba again and in 1936 was recognised by the British as a Trucial Ruler as an incentive to grant landing rights to an emergency air-strip as a backup to the Imperial Airways runway and fort at Al-Mahatta in the city of Sharjah. In April 1937, the deposed Ruler of Sharjah, Khalid bin Ahmad Al Qasimi, married Aisha, the daughter of Sheikh Said bin Hamad Al Qasimi. Said bin Hamad died suddenly at the end of April 1937 while visiting Khor Fakkan. Said bin Hamad's son, Hamad, was still a minor and so Aisha moved quickly to establish a regency, travelling to Kalba and organising the town's defences. For many years Said bin Hamad had lived in Ajman and entrusted a slave by the name of Barut to manage Kalba on his behalf, and Aisha now arranged for Barut to once again take charge as Wali. She sent a message to Khalid bin Ahmad, who was in Ras Al Khaimah at the time. A period of intense political infighting and negotiation between the many involved parties now followed. In June 1937, the notable residents of Kalba selected the slave Barut as Regent for the 12-year-old Hamad, but this solution was not accepted by the British and Khalid bin Ahmad was selected as regent. Increasingly seen as an influential and unifying figure by the Bedouin and the townspeople of the East Coast, he ruled over Dhaid and Kalba (delegating his rule in Kalba to Barut and choosing himself to live in Dhaid and Al Heera) until 1950, when he was too old and infirm to take a further role in affairs. He died that year and the rule of Kalba reverted to the direct administration of Sharjah. Although there are British records of an insurgency in 1952 this appears to have been settled. That notwithstanding, there were almost constant outbreaks of squabbling and disputes between Kalba and neighbouring Fujairah (itself only recognised as a Trucial State by the British in 1952) which broke out into open fighting over a land dispute after the UAE was founded in 1971 and, in 1972 the newly founded Union Defence Force was called in to take control of the fighting which, by the time the UDF moved in, had killed 22 and seriously injured a dozen more. The dispute was finally settled after mediation between Sheikh Rashid