Blast in an upscale residential area in Moscow kills 1 and leaves 4 wounded

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This handout photo taken from video released by Investigative Committee of Moscow on Monday, Feb. 3, 2025, shows the explosion site in an upscale residential block in Moscow, where the blast has killed one person and wounded four others, Russian news agencies say. (Investigative Committee of Moscow via AP)

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Police officers stand guard at the entrance to the yard of an upscale residential block in Moscow, Russia, Monday, Feb. 3, 2025, where the blast has killed one person and wounded four others, Russian news agencies say. (AP Photo/Alexander Zemlianichenko)

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Investigators and police officers stand in the yard of an upscale residential block in Moscow, Russia, Monday, Feb. 3, 2025, where the blast has killed one person and wounded four others, Russian news agencies say. (AP Photo/Alexander Zemlianichenko)

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A police officer stands guard in the yard of an upscale residential block in Moscow, Russia, Monday, Feb. 3, 2025, where the blast has killed one person and wounded four others, Russian news agencies say. (AP Photo/Alexander Zemlianichenko)

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A security man stands in the yard of an upscale residential block in Moscow, Russia, Monday, Feb. 3, 2025, where the blast has killed one person and wounded four others, Russian news agencies say. (AP Photo/Alexander Zemlianichenko)

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An ambulance stands in the yard of an upscale residential block in Moscow, Russia, Monday, Feb. 3, 2025, where the blast has killed one person and wounded four others, Russian news agencies say. (AP Photo/Alexander Zemlianichenko)

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Bomb disposal experts stand in the yard of an upscale residential block in Moscow, Russia, Monday, Feb. 3, 2025, where the blast has killed one person and wounded four others, Russian news agencies say. (AP Photo/Alexander Zemlianichenko)

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A view of the upscale residential block in Moscow, Russia, Monday, Feb. 3, 2025, where the blast has killed one person and wounded four others, Russian news agencies say. (AP Photo/Alexander Zemlianichenko)

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A helicopter of Russian Emergency Situations Ministry stands near an upscale residential block in Moscow, Russia, Monday, Feb. 3, 2025, where the blast has killed one person and wounded four others, Russian news agencies say. (Moscow News Agency via AP)

MOSCOW (AP) — A blast in an upscale residential block in Moscow killed one person and wounded four others on Monday morning, Russian news agencies reported, citing emergency officials.

Those wounded in the blast, the cause of which was not revealed, were hospitalized in grave condition, Russia’s state news agency RIA Novosti reported, citing Moscow health officials.

Footage released by Russia’s main investigative agency, the Investigative Committee, showed a building hall with glass doors shattered and suspended ceilings torn up.

The Committee said it opened a criminal probe into the explosion on the charges of murder by means injurious to the public and attempted murder of two or more people.

Russian state news agencies Tass and RIA Novosti, citing law enforcement sources, identified one of the wounded as Armen Sarkisyan, the founder of a volunteer battalion that is fighting in Ukraine and the head of a boxing federation in the Russian-controlled part of Ukraine’s Donetsk region.

Sarkisyan is on a wanted list in Ukraine, according to RIA Novosti, but the agency did not say on what charges.

Tass reported that Sarkisyan’s bodyguard was killed by the blast.