By SAMYA KULLAB and VASILISA STEPANENKO,  KYIV, Ukraine (AP):- Russia on Thursday unleashed a third straight day of massive drone and missile attacks on Ukraine, demolishing an apartment building in Kyiv where nine people were killed and dozens injured, authorities said. More strikes elsewhere in the country wounded more than two dozen civilians.

As dawn broke on a clear day in Kyiv, a scene of devastation came into focus in the capital’s leafy Darnytsia neighborhood, located between a suburban forest and the Dnieper River.

Wisps of smoke rose from the collapsed nine-story apartment block, where emergency workers dug under concrete slabs and took people away on stretchers. The building’s entrance was smashed in the strike, preventing residents from escaping.

All 18 apartments in the building were destroyed, officials said. Among the dead was a 12-year-old girl, Mayor Vitali Klitschko said. Nine people were killed, according to Tymur Tkachenko, head of the Kyiv City Military Administration. About 20 were people believed to be missing.

Klitschko declared Friday to be a day of mourning for the victims.

Ukrainian officials noted that the attack coincided with U.S. President Donald Trump’s trip to China. Foreign Minister Andrii Sybiha said Trump and Chinese leader Xi Jinping have sufficient leverage to compel Russian President Vladimir Putin to end his 4-year-old invasion of Ukraine.

Klitschko declared Friday to be a day of mourning for the victims.

Ukrainian officials noted that the attack coincided with U.S. President Donald Trump’s trip to China. Foreign Minister Andrii Sybiha said Trump and Chinese leader Xi Jinping have sufficient leverage to compel Russian President Vladimir Putin to end his 4-year-old invasion of Ukraine.

Russia has hammered Ukraine with large-scale aerial attacks following a May 9-11 ceasefire that Trump said he asked Zelenskyy and Putin to heed. Fighting continued over those 72 hours, although reportedly at a reduced intensity.

The attacks undercut recent suggestions from Trump and Putin that the war, which began with Moscow’s all-out invasion of its neighbor in 2022, is nearing its end.

Residents describe ‘a terrible night’

More than 30 people were injured in the apartment building collapse, while emergency workers rescued 28 residents, Interior Minister Ihor Klymenko said.

Lyudmila Hlushko, 78, said she heard explosions and the sound of rockets about 3 a.m. “Then the house shook violently and there was a loud bang, breaking the glass in my house,” she told The Associated Press.

The blast shattered windows throughout the neighborhood.

“It was a terrible night,” said another resident, Nadiia Lobanova. “We’re used to this. Well, it’s impossible to get used to this, but somehow we held on.”

Damage was reported in six districts of the capital, Tkachenko said.

The Kyiv office of defense contractor Skyeton, specializing in reconnaissance drones, was destroyed in the overnight attack, although the company said it had anticipated such a development and had relocated its production.

Russian drones also struck a vehicle carrying U.N. staff who were delivering aid to residents of Kherson in southern Ukraine, Sybiha said. The vehicle was marked and was attacked twice, in two different locations, but nobody was hurt, he said.

Russia’s biggest attacks since its full-scale invasion

The Ukrainian cities of Kremenchuk, Bila Tserkva, Kharkiv, Sumy and Odesa also were bombarded, officials said.

“We are now experiencing the largest strikes since the start of the full-scale invasion,” air force spokesperson Yurii Ihnat told Ukrainian public broadcaster Suspilne.

Ukraine’s air defense forces are under severe strain, he said. Even so, the interception rate of drones and missiles was over 93%, Zelenskyy said.

Air defenses shot down or jammed 693 Russian targets overnight, including 41 missiles and 652 drones of various types nationwide, the air force said.

Fifteen missiles and 23 drones scored direct hits across 24 locations, it said. Debris from downed drones fell in another 18 locations.

Strikes on energy infrastructure left customers in Kyiv and 11 other regions temporarily without power, national grid operator Ukrenergo said.

On Wednesday, a rare daytime attack on Kyiv killed at least six people, Zelenskyy said. That assault, which involved 800 drones, struck about 20 regions and was among the longest such attacks of the war.

In other developments Thursday:

— The Hungarian government summoned the Russian ambassador over a drone attack near Hungary’s border with Ukraine. The step marked a stark shift in tone by new Prime Minister Péter Magyar toward Moscow after years of cozy relations with the Kremlin under former leader Viktor Orbán.

— Latvian Prime Minister Evika Silina resigned after her government’s coalition partner withdrew its support and left her without a majority. The government has been under pressure over its handling of multiple incidents involving stray drones suspected to be from Ukraine crossing into Latvian territory.