Russia launched its largest barrage of drones and missiles in a month across Ukraine, killing at least three people, Ukrainian President Volodymyr Zelensky said Saturday, as a Kyiv delegation heads to the United States for fresh peace talks.

The strikes occurred in a strategic maritime corridor, raising concerns about energy security and navigational safety.

Ukraine’s chief negotiator, in an exclusive interview, says conceding sovereign territory is off-limits in peace talks.

Russian President Vladimir Putin said Thursday that a U.S. delegation is expected to arrive in Moscow in the first half of next week.

"If this is true, then we have a major problem, Houston," wrote Estonian lawmaker Marko Mihkelson, in response to the report.

Even if a peace can be reached, it won’t be easy to solve the problem of Ukrainian civilians languishing in Russian jails. This is one prisoner’s story.

Russia's state communications watchdog threatened on Friday to block WhatsApp entirely if it fails to comply with Russian law, news agencies reported.

Russian forces strafed Ukraine’s capital with a major missile barrage overnight, killing at least three people and causing widespread power outages, as the US ramps up pressure on President Volodymyr Zelenskiy to agree to concessions in the almost four-year-old war.

Roscosmos confirmed damage to the launchpad in Baikonur on Thursday. Footage of the launch shows its service bay likely fell into an exhaust trench.

Founded in 1978, Human Rights Watch monitors and researches human rights violations in countries across the world. It has been outspoken in its opposition to Russia’s invasion of Ukraine and recently published an investigation into Russian forces using drones to deliberately chase, injure and kill civilians living in Ukraine’s Kherson region.

Russia unleashed a nearly 10-hour air assault across Ukraine on Saturday, killing at least two people in the capital and injuring dozens more, according to Ukrainian authorities. The attack, which involved dozens of Russian missiles and

Lt. Col. Yurii Myronenko told Business Insider that Russia is testing new deep-strike weapons, including modified Shaheds and new models.