Russian drone strike kills 7 in Ukraine; tensions escalate
Summary: A Russian drone strike in Kharkiv, Ukraine killed 7, including 3 children. Ukrainian president Zelenskiy vowed to hold "Russian terrorists" accountable. Nato's secretary general called for increased arms production to support Ukraine. Russia claimed to have repelled a Ukrainian drone attack on civilian ships. Registration for Russia's presidential election closed, with Putin and 3 pro-war politicians on the list. Anti-war candidate Nadezhdin was barred from running.