Oil spill from attacked tanker hits UAE beaches · Aramco evacuates Dhahran HQ · Russian strikes cut power to 500K+ in Ukraine

Risk stays high into Friday, Oct 23. Gulf shipping attacks are now showing up as pollution on UAE shores, Saudi Arabia's oil giant has emptied its headquarters as Houthi strikes spread, and Russia knocked out power to more than half a million Ukrainians a day after agreeing to resume peace talks.

Middle East: The UAE says an oil spill from a tanker has reached the beaches of Umm Al Quwain, north of Dubai, and closed them for cleanup. Shipping outlet TradeWinds links the slick to a supertanker damaged in an Iranian attack. Iran's Revolutionary Guard Navy still claims seven tankers were set on fire or disabled by strikes and mines this week; none has been independently confirmed, UK maritime monitors have issued no matching reports, and President Trump accused Tehran of making the hits up to drive oil prices higher. The Joint Maritime Information Center keeps the Strait of Hormuz threat level at SEVERE. Freight costs from the Gulf to Asia have topped $37 a barrel, more than five times prewar levels, per the IEA.

Saudi Arabia/Yemen: Aramco ordered its remaining essential staff out of its Dhahran headquarters to work remotely, the first such evacuation of the war. The Houthis claim new attacks on Aramco facilities at Yanbu and on the defense ministry in Riyadh, which Saudi authorities have not confirmed; the coalition says it intercepted drones over Riyadh and Medina. Wednesday's attacks on Dammam's airport and the Shaybah oil field killed at least four people. Dammam airport has reopened, and U.S. non-emergency government staff remain under orders to leave the kingdom.

Ukraine/Russia: Russia launched 176 drones overnight, including 92 jet-powered Shaheds, with hits recorded at 19 sites. Ukraine's Energy Ministry says strikes on power facilities in six regions cut electricity to more than 500,000 people, and DTEK says one of its thermal plants has stopped generating. Kyiv was hit by 21 ballistic missiles in three waves the night before. Putin says Moscow is ready to