Sheikh Tahnoon bin Zayed Al Nahyan, Deputy National Security Advisor of the United Arab Emirates, arrived in Riyadh, it was reported today. Upon arrival at Riyadh airbase yesterday, he was received by Prince Mohammed bin Salman bin Abdulaziz, Minister of Defense, Chief of the Royal Court and Special Advisor to the Custodian of the Two Holy Mosques, and a number of officials. A meeting between the two senior officials took place during which the military operations to be carried by the UAE forces within the 'determination storm' alliance were discussed.