A damaged building following a drone strike in Moscow, Russia, on July 24, 2023. (Credit: Maxim Shemetov/Reuters)

(CNN) -- Ukrainian drones targeted two non-residential buildings in Moscow in the early hours of Monday morning and were "suppressed" by the city's defenses, Russian authorities said, describing the incident as a "foiled" attack.

The attacks caused no serious damage or casualties, Moscow Mayor Sergei Sobyanin said Monday on Telegram.

Russia's Defense Ministry blamed Ukraine, describing the attack as a "terrorist attack by the Kyiv regime" and that the two drones were "suppressed" and crashed in Moscow.

"On the morning of July 24, an attempt by the Kyiv regime to launch a terrorist attack using two unmanned aerial vehicles against facilities on the territory of the city of Moscow was foiled," the ministry said on Telegram.

"Two Ukrainian UAVs (unmanned aerial vehicles) were suppressed by electronic warfare means and crashed," the ministry added.

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• ANALYSIS | Drone strikes in capital bring Ukraine's war to Russia

According to Russian state media outlet TASS, a drone hit a high-rise business center on Likhacheva Avenue in Moscow.

TASS reports that drone debris was found on Komsomolsky Avenue in Moscow on Monday morning. TASS said that according to initial reports, there were no casualties.

Law enforcement and emergency services are currently working at the scene, according to TASS.

Traffic on Komsomolsky Avenue from central Moscow into the region has been blocked, TASS reported citing Moscow's Department of Transport and Road Infrastructure Development.

CNN could not independently verify the reports.

A police officer blocks a road following a drone attack in central Moscow on July 24, 2023. (Credit: Shamil Zhumatov/Reuters)

The reported attack comes after Russian missiles severely damaged a historic Orthodox cathedral in the southern Ukrainian port city of Odessa, sparking outrage and prompting Ukrainian President Volodymyr Zelensky to vow retaliation.

The Odessa strikes killed at least one person and wounded several others, Ukrainian officials said, the latest in a wave of attacks on the port city. The attacks also destroyed other historic buildings, Ukraine's Culture Ministry said.

Ukraine almost never publicly takes responsibility for attacks that have taken place on Russian soil during the course of the war that Moscow began when it invaded in February last year, unleashing its military might on its democratic neighbor.

These include a drone strike in Moscow in May, which damaged two buildings and wounded two people in which Ukraine denied direct involvement.

Earlier this month, Russia said it "destroyed or neutralized" five Ukrainian drones in what it described as a "terrorist" attack.

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