Several people were injured by an explosion in the center of the Russian city of Taganrog near the Ukrainian border on Friday, according to state media.
It was not immediately clear what caused the explosion, and there were conflicting reports regarding the number of casualties.
Along with images of debris and a damaged building posted on its Telegram channel, the state-owned news agency RIA Novosti reported that four people had been injured.
However, in a separate post, it stated that seven people were injured, citing unnamed emergency service personnel.
Alexander Khinshtein, a prominent Russian lawmaker, reported on his Telegram channel that an explosion rocked a large oil refinery in Russia’s Samara region, approximately 1,370 kilometers north of Taganrog.
Initial information indicated it was caused by an explosive device, he said, adding that no one was injured and the damage was minor.
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