The United States slapped more sanctions on Russian oligarchs on Tuesday, as the U.S. Senate moved closer to a vote to admit Sweden and Finland into the NATO military alliance.
U.S. Secretary of State Antony Blinken spoke of fears over a nuclear accident in Ukraine. He told reporters late Monday that there are "credible reports" that Russia "is using this plant as the equivalent of a human shield, but a nuclear shield in the sense that it's firing on Ukrainians from around the plant."
Meanwhile, the first shipment of grain exports from Ukraine in months departed Monday from the port of Odesa. Ukrainian President Volodymyr Zelenskyy called the shipment a "positive signal."