UKRAINE RESUMES ATTACKS ON RUSSIAN OIL REFINERIES , OFFICIALS SAY , AS US RELATIONS TEETER

What happened: Ukrainian drones struck a refinery in Russia's Ryazan region, hours after Zelenskyy said a brief truce was over. A Ukrainian official confirmed the strike. Key numbers: Refinery about 300 km (180 miles) southeast of Moscow. Russia said it downed 166 Ukrainian drones overnight. Ukraine said Russia launched over 850 drones, with 536 stopped. Why it matters: The strike could further complicate Kyiv's relations with Washington, which have soured. Lavrov called the strikes a direct challenge to Trump, and Zelenskyy said attacks on Russian refineries would resume. Coverage: 8 outlets in 24h

Ukrainian drones struck a refinery in Russia's Ryazan region, hours after Zelenskyy said a brief truce was over. A Ukrainian official confirmed the strike.

The strike could further complicate Kyiv's relations with Washington, which have soured. Lavrov called the strikes a direct challenge to Trump, and Zelenskyy said attacks on Russian refineries would resume.