CNBC Daily Open: A thousand drones and one strained U.S.-Ukraine alliance

Ukraine launched one of its largest aerial attacks of the war by targeting Russia with more than 1,000 drones. According to CBS News, the strikes caused smoke to billow from the Petersburg Oil Terminal and the Ruchi oil depot in St. Petersburg, where at least one person was killed and five others were wounded. The attack also targeted a data center operated by VK and a logistics center for the retailer Ozon.

Russia's Defense Ministry reported on Sunday that its forces destroyed 1,015 Ukrainian drones across 15 Russian regions, the Black Sea, and Crimea.

In Ukraine, local officials reported that Russian attacks on the city of Zaporizhzhia killed a woman and wounded at least two others, including a 6-year-old girl.

Diplomatic tensions have also grown between Washington and Kyiv. CNBC World reports that tensions between President Volodymyr Zelenskyy and U.S. President Donald Trump on the diplomatic front have complicated Ukraine's warfighting efforts. CBS News noted that President Trump has recently been critical of President Zelenskyy and Kyiv's strikes on Russian oil infrastructure.

Brief written by urgent.news from CNBC World, CBS News — 2 reports on this story. Machine-written — may contain errors; check the original before relying on it.