Russia launched a surprise new offensive in northeast Ukraine, near the second largest city of Kharkiv. Russian troops are continuing to advance, we get the latest from our Ukraine correspondent. And in another development in that war, Russia's President Putin replaced the country's defense minister. We get context on both events from a retired U.S. Lieutenant Colonel who used to oversee European affairs at the National Security council.

Ukraine uncovers what they say was a sophisticated network of spies working with Russia to kill President Volodymyr Zelenskyy and other top officials. And in Russia, during a celebration marking the USSR's victory over Germany in World War II, Russia's president again drew parallels between that fight against fascism and the war in Ukraine. We hear from Russians who attended the event.

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