MOSCOW — Over 20 explosions was heard in the center of Belgorod, a Russian city some 40 km north of the border with Ukraine, amid a reactivated missile warning alert, Russia's RIA Novosti reported on Thursday.

In the center of Belgorod, near Cathedral Square, several dozens of blasts were heard against the background of a missile warning siren which had been turned on again, said the report.

Russian air defense system shot down several air targets over Belgorod and its surrounding region, Vyacheslav Gladkov, the regional governor said on his Telegram channel Thursday

About 15 minutes earlier, a siren was sounded throughout the city, followed by a spell of explosions.

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Russian air defense system shot down several air targets over Belgorod and its surrounding region, Vyacheslav Gladkov, the regional governor said on his Telegram channel Thursday.

The governor said that there are no casualties according to preliminary reports.

In Belgorod, direct hits from projectiles have caused damage to two children's camps in the city. Besides, there was a fire of dry grass covering an area of 50 square meters, he said.

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Meanwhile, following the repulsion of a Ukrainian air attack in the village of Tavrovo, three private residential properties were left with shattered windows, damaged roofs, facades and fences. Two private residential properties had their garage roofs damaged by shrapnel, and one vehicle was damaged.

In the settlement of Dubovoe, the roof of a private residence was penetrated.

Information about the consequences is being clarified, said the governor.