A Ukrainian drone attack in southwestern Russia killed two people Saturday as parts of Ukraine went without power after Russian assaults on energy infrastructure hours before peace talks were to restart in Germany.

U.S. President Donald Trump's special envoy Steve Witkoff and son-in-law Jared Kushner will meet Ukrainian leader Volodymyr Zelenskyy on Sunday, as Trump grows increasingly exasperated by delays.

In the early months of the invasion, in 2022, the Russians tried to suffocate Ukraine’s economy by imposing a naval blockade of its ports. About 20 million tons of grain got stuck in the port city of Odesa, causing global food prices to spike and raising fears of famine in parts of Africa and the Middle East that rely on supplies from Ukraine.