Russian President Vladimir Putin, right, and U.S. special envoy Steve Witkoff greet each other prior to their talks at the Kremlin in Moscow on April 25. (AP file photo)

Russian President Vladimir Putin held talks with U.S. President Donald Trump’s special envoy Steve Witkoff in Moscow on Wednesday, days before the White House’s deadline for Russia to reach a peace deal with Ukraine or potentially face severe economic penalties that could also hit countries buying its oil.

The meeting between Putin and Witkoff lasted about three hours, the Kremlin said.

Putin’s foreign affairs adviser Yuri Ushakov said that Putin and Witkoff had a “useful and constructive conversation” that focused on the Ukrainian crisis and, in a nod toward improving relations between Washington and Moscow, “prospects for possible development of strategic cooperation” between the United States and Russia.

Trump said in a post on his Truth Social media network that Witkoff “had a highly productive meeting” with Putin in which “great progress was made.”

Trump said he updated America’s allies in Europe about the meeting and that they will work toward an end to the Russia-Ukraine war “in the days and weeks to come.”

Threat of sanctions

Earlier on Wednesday, a White House official said the U.S. was still expected to impose secondary sanctions against Russia on Friday, after a 10-day deadline that Trump imposed is to expire. The White House has not yet released details about the sanctions. The official was not authorized to speak publicly and spoke on condition of anonymity.

Washington has threatened “severe tariffs” and other economic penalties if the killing doesn’t stop.

Trump also has threatened to slap tariffs on nations that buy Russian oil, which could increase import taxes dramatically on China and India. He said Tuesday he hadn’t publicly committed to any particular tariff rate, and indicated that his decision could depend on an outcome of the meeting with Putin.

Trump has expressed increasing frustration with Putin over Russia’s escalating strikes on civilian areas of Ukraine, intended to erode morale and public appetite for the war. The intensified attacks have occurred even as Trump has urged the Russian leader in recent months to relent.

Ukraine’s President Volodymyr Zelenskyy said Wednesday evening that he and Trump spoke on the phone after Witkoff met with Putin. He said “European leaders also participated in the conversation,” and “we discussed what was said in Moscow.”

Fighting grinds on

Overnight from Tuesday to Wednesday, Russian forces hit a recreational center in Ukraine’s southern Zaporizhzhia region, killing two people and injuring 12, including two children, regional Gov. Ivan Fedorov said Wednesday.

Russian forces launched at least four strikes on the area and initially attacked with powerful glide bombs.

“There is zero military sense in this strike. Only cruelty to intimidate,” Zelenskyy said in a post on Telegram.

Risk of pressure

Stepping up diplomatic and economic pressure on the Kremlin risks stoking international tensions amid worsening Russia-U.S. relations.

Putin has given no hint that he might be ready to make concessions. Instead, the Russian leader and senior Kremlin officials have talked up the country’s military strength.

Putin announced last week that Russia’s new hypersonic missile, which he says cannot be intercepted by current NATO air defense systems, has entered service.

Russia announced Tuesday that it no longer regards itself as bound by a self-imposed moratorium on the deployment of nuclear-capable intermediate range missiles, a warning that potentially sets the stage for a new arms race.

Former Russian President Dmitry Medvedev, meantime, warned that the Ukraine war could bring Russia and the U.S. into armed conflict. Trump responded to that by ordering the repositioning of two U.S. nuclear submarines.

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Associated Press reporter Michelle L. Price in Washington contributed to this report.

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Follow the AP’s coverage of the war in Ukraine at https://apnews.com/hub/russia-ukraine