[Middle East Situation Update: Saudi Arabia Hit by Airstrikes, Air Defense in Crisis, U.S. and Iran Signal Talks] Deep Tide TechFlow reports that on September 20, according to Jin10 Data, tensions in the Middle East continue to escalate. Saudi Arabia's capital, Riyadh, was hit by airstrikes, with fuel storage tanks near the Saudi Aramco airport catching fire. The Houthi forces claimed to have launched approximately 300 airstrikes on Saudi Arabia this week. Saudi authorities stated that they successfully intercepted a ballistic missile aimed at Riyadh, but their air defense interceptors are nearly depleted, prompting an urgent call for assistance. On the diplomatic front, Mohsen Rezaee, Secretary of Iran's Supreme National Security Council, stated that Iran has presented the U.S. government with seven conditions required to initiate negotiations and is awaiting a decision from Trump. Iranian Foreign Ministry spokesperson Abbas Mousavi clarified that the Pakistani Foreign Minister's visit to Iran was solely to discuss bilateral relations and did not involve any special mediation messages. Regarding maritime security, the U.S. Central Command reported that over the past two months, it has facilitated the passage of more than 1 billion barrels of crude oil through the Strait of Hormuz and has cleared major naval mines from key shipping lanes. Italy is planning to deploy ships to the Bab el-Mandeb Strait, while Turkey's Foreign Minister emphasized that it does not accept Saudi Arabia's involvement in the U.S.-Iran conflict.