Ukraine's Zelenskyy confirms that an offensive against Russia is underway

Ukraine's President Volodymyr Zelenskyy on Saturday gave his first formal confirmation that Ukraine's long-awaited offensive was underway against Russian troops.

"Counteroffensive and defensive actions are taking place in Ukraine. At what stage, I will not say in detail," Zelenskyy said in a joint news conference with visiting Canadian Prime Minister Justin Trudeau.