Editor’s note: This story has been updated with comments from President Joe Biden.
KYIV, Ukraine — Poland said early Wednesday that a Russian-made missile fell in the eastern part of the country, killing two people in a blast that Ukrainian President Volodymr Zelenskyy decried as “a very significant escalation” of the war.
Serious questions about the explosion remain, including who fired the missile. Russia denied any involvement.
U.S. President Joe Biden convened an emergency meeting of the Group of Seven and NATO leaders who were in Indonesia for another summit but said it was “unlikely” that the missile was fired from Russia. It was not immediately clear whether Biden was suggesting that the missile hadn’t been fired by Russia at all.
The Polish government said it was investigating and raising its level of military preparedness. Biden pledged support for Poland’s investigation.
Zelenskyy’s comments, delivered in an evening address to the nation, came hours after a senior U.S. intelligence official told The Associated Press that Russian missiles had crossed into Polish territory and killed two people.
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A second person said that apparent Russian missiles struck a site in Poland about 15 miles from the Ukrainian border.
A statement from the Polish Foreign Ministry identified the weapon as being made in Russia. President Andrzej Duda was more cautious, saying that it was “most probably” Russian-made but that its origins were still being verified.
“We are acting with calm,” Duda said. “This is a difficult situation.”
Biden’s decision to convene an emergency meeting of the G-7 and NATO leaders upended schedules for the final day of the Group of 20 meeting in Indonesia.
Biden, who was awakened overnight by staff with the news of the missile while attending the summit, called Polish President Andrzej Duda to express his condolences. On Twitter, Biden promised “full U.S support for and assistance with Poland’s investigation,” and “reaffirmed the United States’ ironclad commitment to NATO.”
Meanwhile, NATO Secretary-General Jens Stoltenberg called the meeting of the alliance’s envoys in Brussels. The U.N. Security Council also planned to meet Wednesday for a previously scheduled briefing on the situation in Ukraine. The strike in Poland was certain to be raised.
Poland’s statement did not address whether the strike could have been a targeting error or if the missile could have been knocked off course by Ukrainian defenses.
In their statements, Poland and NATO used language that suggested they were not treating the missile blast as an intentional Russian attack, at least for now. A NATO statement called it a “tragic incident.”
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If Russia had deliberately targeted Poland, it would risk drawing the 30-nation alliance into the conflict at a time when it is already struggling to fend off Ukrainian forces.
Polish media reported that the strike took place in an area where grain was drying in Przewodów, a village near the border with Ukraine.
The Russian Defense Ministry denied being behind “any strikes on targets near the Ukrainian-Polish border” and said in a statement that photos of purported damage “have nothing to do” with Russian weapons.
Polish Foreign Minister Zbigniew Rau summoned the Russian ambassador and “demanded immediate detailed explanations,” the government said.
The strike came to light Tuesday as Russia pounded Ukraine’s energy facilities with its biggest barrage of missiles yet, striking targets across the country and causing widespread blackouts.
The barrage also affected neighboring Moldova. It reported massive power outages after the strikes knocked out a key power line that supplies the small nation, an official said.
The missile strikes plunged much of Ukraine into darkness and drew defiance from Zelenskyy, who shook his fist and declared: “We will survive everything.”
In his nightly address, the Ukrainian leader said the strike in Poland offered proof that “terror is not limited by our state borders.”
“We need to put the terrorist in its place. The longer Russia feels impunity, the more threats there will be for everyone within the reach of Russian missiles,” Zelenskyy said.
Russia fired at least 85 missiles, most of them aimed at the country’s power facilities, and blacked out many cities, he said.
The Ukrainian energy minister said the attack was “the most massive” bombardment of power facilities in the nearly 9-month-old invasion, striking both power generation and transmission systems.
The minister, Herman Haluschenko, accused Russia of “trying to cause maximum damage to our energy system on the eve of winter.”
The aerial assault, which resulted in at least one death in a residential building in the capital, Kyiv, followed days of euphoria in Ukraine sparked by one of its biggest military successes — the retaking last week of the southern city of Kherson.
The power grid was already battered by previous attacks that destroyed an estimated 40% of the country’s energy infrastructure.
Russian President Vladimir Putin has not commented on the retreat from Kherson since his troops pulled out in the face of a Ukrainian offensive. But the stunning scale of Tuesday’s strikes spoke volumes and hinted at anger in the Kremlin.
By striking targets in the late afternoon, not long before dusk, the Russian military forced rescue workers to labor in the dark and gave repair crews scant time to assess the damage by daylight.
More than a dozen regions — among them Lviv in the west, Kharkiv in the northeast and others in between — reported strikes or efforts by their air defenses to shoot missiles down. At least a dozen regions reported power outages, affecting cities that together have millions of people. Almost half of the Kyiv region lost power, authorities said.
“Most of the hits were recorded in the center and in the north of the country. In the capital, the situation is very difficult,” said a senior official, Kyrylo Tymoshenko.
He said a total of 15 energy targets were damaged and claimed that 70 missiles were shot down. A Ukrainian Air Force spokesman said Russia used X-101 and X-555 cruise missiles.
As city after city reported attacks, Tymoshenko urged Ukrainians to “hang in there.”
With its battlefield losses mounting, Russia has increasingly resorted to targeting Ukraine’s power grid, seemingly hoping to turn the approach of winter into a weapon by leaving people in the cold and dark.
Dutch Foreign Minister Wopke Hoekstra took to a bomb shelter in Kyiv after meeting his Ukrainian counterpart and, from his place of safety, described the bombardment as “an enormous motivation to keep standing shoulder-to-shoulder” with Ukraine.
The strikes came as authorities were already working furiously to get Kherson back on its feet and beginning to investigate alleged Russian abuses there and in the surrounding area. The southern city is without power and water.
The retaking of Kherson dealt another stinging blow to the Kremlin. Zelenskyy likened the recapture to the Allied landings in France on D-Day in World War II, saying both were watershed events on the road to eventual victory.
But large parts of eastern and southern Ukraine remain under Russian control, and fighting continues.
In other developments, leaders of most of the world’s economic powers were drawing closer to approval of a declaration strongly denouncing Russia’s invasion.
On Tuesday, U.S. President Joe Biden and Zelenskyy pressed fellow G20 leaders at the summit in Indonesia for a robust condemnation of Russia’s nuclear threats and food embargoes. More discussion and a possible vote come Wednesday.
Associated Press writers Joanna Kozlowska in London; Jamey Keaten in Geneva; Mike Corder in The Hague, Netherlands; Hanna Arhirova in Kherson, Ukraine; Yuras Karmanau in Tallinn, Estonia; Vanessa Gera and Monika Scislowska in Warsaw, Poland; Raf Casert and Lorne Cook in Brussels; Nomaan Merchant in New York; and Adam Schreck in Nusa Dua, Indonesia contributed to this report.
