KYIV, Ukraine (AP) — Nearly 1,000 last-ditch Ukrainian fighters who had held out inside Mariupol's pulverized steel plant have surrendered, Russia said Wednesday, as the battle that turned the city into a worldwide symbol of defiance and suffering drew toward a close.
Meanwhile, the first captured Russian soldier to be put on trial by Ukraine on war-crimes charges pleaded guilty to killing a civilian and could get life in prison. Finland and Sweden applied to join NATO, abandoning generations of neutrality for fear that Russian President Vladimir Putin will not stop with Ukraine.
The Ukrainian fighters who emerged from the ruined Azovstal steelworks after being ordered by their military to abandon the last stronghold of resistance in the now-flattened port city face an uncertain fate. Some were taken by the Russians to a former penal colony in territory controlled by Moscow-backed separatists.
While Ukraine said it hopes to get the soldiers back in a prisoner swap, Russia threatened to put some of them on trial for war crimes.
Amnesty International said the Red Cross should be given immediate access to the fighters. Denis Krivosheev, Amnesty's deputy director for the region, cited lawless executions allegedly carried out by Russian forces in Ukraine and said the Azovstal defenders “must not meet the same fate.”
It was unclear how many fighters remained inside the plant’s labyrinth of tunnels and bunkers, where 2,000 were believed to be holed up at one point. A separatist leader in the region said no top commanders had emerged from the steelworks.
The plant was the only thing standing in the way of Russia declaring the full capture of Mariupol. Its fall would make Mariupol the biggest Ukrainian city to be taken by Moscow's forces, giving a boost to Putin in a war where many of his plans have gone awry.
Military analysts, though, said the city's capture at this point would hold more symbolic importance than anything else, since Mariupol is already effectively under Moscow's control and most of the Russian forces that were tied down by the drawn-out fighting have already left.
Russian Defense Ministry spokesman Maj. Gen. Igor Konashenkov said 959 Ukrainian troops have abandoned the stronghold since they started coming out Monday.
Video showed the fighters carrying out their wounded on stretchers and undergoing pat-down searches before being taken away on buses escorted by military vehicles bearing the pro-Kremlin “Z” sign.
The U.S. has gathered intelligence that shows some Russian officials have become concerned that Kremlin forces in Mariupol are carrying out abuses, including beating and electrocuting city officials and robbing homes, according to a U.S official familiar with the findings.
The Russian officials are concerned that the abuses will further inspire residents to resist the occupation and that the treatment runs counter to Russia’s claims that its military has liberated Russian speakers, according to the official, who was not authorized to comment.
Resistance fighting was reported in the occupied southern city of Melitopol, where the regional military administration said Ukrainians killed several high-ranking Russian officers and a Russian armored train carrying troops and ammunition overturned, causing the munitions to detonate.
The administration said on Telegram that the Russian military does not maintain the tracks and overloads the trains, and “with help” from resistance fighters the train derailed. The reports could not be independently confirmed.
In a sign of normalcy returning to Kyiv, the U.S. Embassy reopened on Wednesday, one month after Russian forces abandoned their bid to seize the capital and three months after the outpost was closed. A dozen embassy employees watched solemnly as the American flag was raised.
“The Ukrainian people, with our security assistance, have defended their homeland in the face of Russia’s unconscionable invasion, and, as a result, the Stars and Stripes are flying over the Embassy once again,“ Secretary of State Antony Blinken said in a statement. Other Western countries have been reopening their embassies in Kyiv as well.
In the war-crimes case in Kyiv, Russian Sgt. Vadim Shishimarin, a 21-year-old member of a tank unit, pleaded guilty to shooting an unarmed 62-year-old Ukrainian man in the head through a car window in the opening days of the war. Ukraine's top prosecutor has said some 40 more war-crimes cases are being readied.
On the diplomatic front, Finland and Sweden could become members of NATO in a matter of months, though objections from Turkish President Recep Tayyip Erdogan threaten to disrupt things. Turkey accuses the two countries of harboring Kurdish militants and others it considers a threat to its security.
Ibrahim Kalin, a foreign policy adviser and spokesman for Erdogan, said there will be “no progress” on the membership applications unless Turkey's concerns are met. Each of NATO’s 30 countries has an effective veto over new members.
Mariupol's defenders grimly clung to the steel mill for months and against the odds, preventing Russia from completing its occupation of the city and its port.
Its full capture would give Russia an unbroken land bridge to the Crimean Peninsula, which it seized from Ukraine in 2014. It also would allow Russia to focus fully on the larger battle for the Donbas, Ukraine's industrial east.
For Ukraine, the order to the fighters to surrender could leave President Volodymyr Zelenskyy's government open to allegations it abandoned the troops he described as heroes.
“Zelenskyy may face unpleasant questions,” said Volodymyr Fesenko, who heads the independent Penta think tank in Kyiv. “There have been voices of discontent and accusations of betraying Ukrainian soldiers.”
A hoped-for prisoner swap could also fall through, he cautioned.
Russia’s main federal investigative body said it intends to interrogate the surrendering troops to “identify the nationalists” and determine whether they were involved in crimes against civilians.
Also, Russia’s top prosecutor asked the country’s Supreme Court to designate Ukraine’s Azov Regiment — among the troops that made up the Azovstal garrison — as a terrorist organization. The regiment has roots in the far right.
The Russian parliament was scheduled to consider a resolution to ban the exchange of any Azov Regiment fighters but didn’t take up the issue Wednesday.
Mariupol was a target of the Russians from the outset. The city — its prewar population of about 430,000 now reduced by about three-quarters — has largely been reduced to rubble by relentless bombardment, and Ukraine says over 20,000 civilians have been killed there.
In other developments, Russian Deputy Prime Minister Yuri Borisov said Russia has begun using a prototype new laser weapon in Ukraine that is capable of hitting a target 5 kilometers (3 miles) away, state news agency Tass quoted him as saying on national television. He said it was tested Tuesday against a drone and incinerated it within five seconds.
Borisov said a new generation of laser weapons will eventually allow Russia to conserve its expensive long-range missiles.
Speaking late Wednesday in his nightly video address, Zelenskyy likened the Russian boast to Nazi Germany’s claims of Wunderwaffe, or wonder weapons, as the tide began to turn against it during World War II.
A senior U.S. defense official said Wednesday that the U.S. has seen nothing to corroborate the claims. The official spoke on condition of anonymity to discuss the U.S. military assessment.
Zelenskyy also said Ukraine is determined to retake Mariupol and Melitopol, as well as the southern cities of Kherson, Berdyansk and Enerhodar.
“All of our cities and communities under occupation ... should know that Ukraine will return,” he said.
McQuillan and Yuras Karmanau reported from Lviv, Ukraine. Mstyslav Chernov and Andrea Rosa in Kharkiv, Elena Becatoros in Odesa, Lorne Cook in Brussels, Aamer Madhani in Washington and other AP staffers around the world contributed.
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