Air raid sirens rang out in Kyiv at 2 am, the shrill sound amplified by the emptiness of the capital’s streets during its overnight curfew.
Russia has been relentlessly bombing Ukrainian cities with missiles and drones since early October — including a heavy missile barrage Friday — seeking to destroy the country’s energy grid and leave citizens without urgent services in the frigid winter.
But Monday’s strikes mark the first time Russia had sent such a large fleet of drones overnight — potentially a recognition by Russian commanders that their noisy, slow-flying Iranian drones are far easier to spot and shoot down during daylight.
Ukraine’s Western supporters have rushed to bolster its air defenses in response to the repeated Russian missile and drone strikes. But while the Ukrainian military claimed to have destroyed most of the unmanned aerial vehicles, or UAVs, officials said several had hit their targets, causing new and serious damage to the country’s energy systems.
“All night, enemy UAVs tried to break into energy facilities throughout the country,” Ukraine’s main power grid operator, Ukrenergo, said in a statement. “Thanks to the professional work of the Air Defense Forces, the enemy did not fully achieve its goal, but, unfortunately, there are several hits on infrastructure facilities.”
“Currently, the most difficult situation has developed in the central, eastern and Dnipro regions,” the company’s statement continued. “Schedules of emergency shutdowns have been introduced in Sumy, Kharkiv, Poltava, Dnipropetrovsk, Zaporizhzhia, Kirovohrad, Zhytomyr, Chernihiv, Cherkasy, Kyiv regions and the city of Kyiv. Critical infrastructure facilities are prioritized. Restoration of energy supply to household consumers may take a long time.”
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Ukrainian air force officials said in a statement that the country’s air defense systems shot down 30 out of “around 35” Iranian-made Shahed drones, which it said were launched from the “eastern coast of the Azov Sea.”
“Units of antiaircraft missile forces, fighter aircraft and mobile fire groups [were] involved in the destruction of the aerial targets,” according to the air force statement, posted on the military branch’s Telegram channel.
The Washington Post could not independently confirm the air force’s figures.
But the scale of the overnight attack nevertheless confirmed that Russian President Vladimir Putin has no intention of scaling back his bombardment of Ukraine’s infrastructure systems, which international experts say has pushed the country to the brink of a humanitarian crisis and could trigger a second wave of millions of Ukrainian refugees to neighboring countries should life in winter become unbearable.
“Russian missiles and Iranian drones are constantly used to strike primarily at our energy sector,” Ukrainian President Volodymyr Zelensky said, adding that Friday’s attack alone had left the vast majority of Ukraine without electricity.
“On the evening of December 16, 22,408,000 Ukrainians were disconnected from the energy supply,” Zelensky said.
Valentyn Reznichenko, the regional governor of Dnipropetrovsk, said on his Telegram channel that Russian forces on Monday had attacked his southeastern region with “drones, heavy artillery and Grad rockets.” Hanna Zamazeeva, the head of the regional council in the southern Mykolaiv region, said that Ukrainian air defense forces “shot down 10 Iranian-made Shaheed-136 drones.”
Monday’s attacks occurred hours before Putin arrived in Minsk for talks with his Belarusian counterpart, Alexander Lukashenko.
The visit was being closely watched for indications of a possible assault to be launched from Belarusian territory, which Ukrainian authorities have warned could take place as soon as the end of January. US defense officials have said they see no sign of such an assault in the near future.
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Russia has previously targeted Ukraine with drone strikes, most recently in the southern port city of Odessa.
But Monday’s assault was the largest so far against Kyiv, Deputy Mayor Andriy Kryshchenko said. In previous attacks, the drones had been accompanied by missiles.
“It’s a change in tactics — they’re trying to find the weak spots,” Kryshchenko said by telephone from the front lines in the east, where he is currently serving. “They are trying somehow to alter the picture; they are trying a new approach.”
It is unclear how long Russia can sustain its air assaults.
Oleksiy Danilov, the secretary of Ukraine’s National Security and Defense Council, told local media that Ukrainian intelligence indicates Russian forces are reaching the end of their missile stocks, and have the capacity left for “two, three, maximum four” major attacks involving dozens of missiles, such as Friday’s attack in which more than 70 were fired.
However, he said, Russia still has sufficient numbers of S-300 missiles — an older, less accurate weapon.
Danilov told The Post that as a result of its diminishing stocks, Russia is now asking Iran for more missiles. “If Iran will provide them with rockets, this will be a challenge for us; this will be a very big danger,” he said.
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The head of the Kyiv city military administration, Serhiy Popko, said Kyiv had faced “several waves of attacks by Iranian drones” during the early morning hours. In total, 23 drones entered Kyiv’s airspace, of which 18 were shot down, Popko said, according to the military administration’s Telegram channel.
City authorities said an “object of critical infrastructure” was damaged.
Ukraine’s emergency services posted photos and video of a fire at what appeared to be an electrical substation. Substations have been a main target of Russia’s airstrikes because knocking them out can paralyze power transmission. The emergency services said the fire burned for more than two hours.
Kyiv’s regional governor, Oleksiy Kuleba, said on television that the drone attack was “sufficiently serious.” Three people were injured and nine homes were damaged, in addition to the strikes on infrastructure, Kuleba said. Kyiv city officials said that two residential areas were hit by falling debris of damaged drones but that no one was injured.
US and Ukrainian officials have praised the capability of air defense systems, and Ukraine’s Western backers have been rushing an array of hardware to Kyiv, including NASAMS from the United States.
Last month, Defense Secretary Lloyd Austin said the US-provided NASAMS had a “100 percent” missile intercept success rate.
But assessing the performance of Ukrainian air defense is often subjective. Whether an airborne threat is struck or missed depends on several variables, experts and officials have said, including whether an air defense system is in range.
Air defense systems are inherently scarce, and commanders must allocate those limited resources to protect the most important targets, such as critical infrastructure.
“They will prioritize and employ them selectively in order to preserve and conserve whatever they have,” a US official said, speaking on the condition of anonymity because of the sensitivity of the issue.
A critical question is whether Ukraine can keep up with the size and pace of Russian aerial threats, said Tom Karako, director of the Missile Defense Project at the Center for Strategic and International Studies. Even if Ukraine is doing well at the moment, and intercepting many or most of the incoming strikes, Karako said, “It’s going to come down to who is going to run out of missiles first, the Russians or the Ukrainians.”
Alex Horton in Washington contributed to this report.