Axios

Ukrainian President Volodymyr Zelensky visited wounded Ukrainian soldiers in a hospital Sunday.

What they're saying: Zelensky awarded the "defenders of Ukraine" with medals for their courage and wished them a speedy recovery, per the country's government. The soldiers had been fighting in the Kyiv region before they were wounded.

Russia has been showing signs of a "willingness to have real, serious negotiations" on Ukraine, deputy secretary of state Wendy Sherman told "Fox News Sunday."

The latest: Negotiations between the two countries will resume on Monday, according to Mykhailo Podoliak, adviser to Ukrainian President Volodymyr Zelensky.

Power has been restored to the Chernobyl nuclear power plant, Ukraine's minister of energy announced on Sunday.

Driving the news: Ukrainian Minister of Energy German Galushchenko said the plant's cooling system will operate normally once again, rather than from backup power.

Hundreds of thousands of civilians trapped in the Ukrainian port city of Mariupol face a "worst-case scenario" unless a humanitarian agreement can be brokered, the International Committee of the Red Cross said Sunday.

Driving the news: Mariupol has been under siege by Russian forces and has sustained devastating shelling that has destroyed a children's hospital as well as a local mosque.

The International Monetary Fund expects a "deep recession" in Russia following the immense sanction regime imposed in response to its invasion of Ukraine, IMF managing director Kristalina Georgieva told CBS News' "Face the Nation" on Sunday.

The big picture: “In terms of servicing debt obligations, we no longer think of Russian default as improbable," Georgieva added.

The United Nations Children's Fund, the UN Population Fund and the World Health Organization issued a joint statement Sunday calling for an "immediate cessation of all attacks on health care in Ukraine."

Driving the news: Russian forces have deliberately targeted civilian infrastructure, including hospitals, over the course of their unprovoked invasion of Ukraine.

National Security Adviser Jake Sullivan said Sunday that the U.S. will "defend every inch of NATO territory" in the wake of a Russian attack on western Ukraine this weekend.

Driving the news: A barrage of Russian missiles struck a training facility near the Ukraine-Poland border, killing at least 35 people, Ukrainian officials said Sunday, per AP.

Iran's Islamic Revolutionary Guard Corps claimed responsibility for a dozen ballistic missiles that struck Iraq's northern Kurdish regional capital of Erbil in the early hours of Sunday, Iran's state media reported, Reuters reports.

Why it matters: The missile attack comes as talks to revive the 2015 Iran nuclear deal face the prospect of collapse. A last-minute Russian demand forced world powers to pause negotiations for an undetermined time, despite having a largely completed text.

National security adviser Jake Sullivan will travel to Rome on Monday for a meeting with senior Chinese foreign policy adviser Yang Jiechi to discuss Russia's invasion of Ukraine.

Why it matters: This is the first high-level, in-person meeting between the U.S. and China since the start of the Russian invasion late last month.

A freelancer who previously worked on New York Times projects was killed covering the war in Ukraine, the Times and U.S. State Department confirmed on Sunday.

What they're saying: "We are deeply saddened to hear of Brent Renaud’s death. Brent was a talented filmmaker who had contributed to The New York Times over the years," the Times wrote in a statement emailed to Axios.

Nearly a dozen rockets struck Erbil, the capital of the Kurdistan Region of Iraq, late Saturday night local time, Iraqi and U.S. officials told the Associated Press on condition of anonymity.

The latest: A U.S. official told Axios that there is no indication the strike was directed toward the United States; nor were the reported explosions near U.S. facilities or personnel.