Russia launched a massive attack on Ukraine's Kharkiv, killing four and injuring dozens. President Zelenskyy condemned the violence and appealed for urgent air defense assistance.

A series of overnight missile and drone strikes on Kharkiv killed at least three people and injured over a dozen, the city’s mayor said.Ukraine’s second city was targeted by nearly 50 drones, two missiles and four guided bombs,

Though the knock-on effects are unclear, some military commentators have called the strike Russia's "Pearl Harbor." Hopes for direct peace talks, which resumed Monday, remain low.