UKRAINIAN forces claimed to have destroyed a "significant" ammunition depot in Russian-occupied Kherson sparking a huge fireball blast.
Smoke was seen rising in large plumes in the region, which has already faced widespread devastation after the destruction of the Khakhovka Dam.
Russian forces have claimed the attack was made by British supplied Storm Shadow missiles, though this hasn't been confirmed.
The blast was the latest of a number of recent suspected devastating Storm Shadow attacks on strategic Henichesk, the designated Putin-capital of the invaded Kherson region.
Ukrainian spokesperson Serhiy Bratchuk said: "Our armed forces dealt a good blow in the morning - and a very loud one - in the village of Rykove, Henichesk district, in the temporarily occupied territory of the Kherson region.
"There was a very significant ammunition depot. It was destroyed."
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Footage shows burning shells flying into the sky, with explosions reported over a period of more than three hours.
A Ukrainian source said:“Our armed forces dealt a good blow in the morning – and a very loud one – in the village of Rykove…in the temporarily occupied territory of the Kherson region.”
Russian sources claimed the British supplied Storm Shadow missiles for the attack.
Ukrainian Air Force Commander Mykola Oleshchuk confirmed that the ammunition storage facility had been hit, and commended the pilots for their actions.
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Rykove is only 12 miles from Henichesk, a vital port city along the Sea of Azov in southern Ukraine.
The region has been been occupied by Kremlin forces since the early days of Russia's invasion of Ukraine in February 2022.
Ukraine has continued to gain on the southern front since it launched its counteroffensive earlier this year.
Ukraine armed forces have estimated that more than 650 Russian soldiers were killed in fights on Saturday alone.
The Kherson region was devestated last week after Russian forces blew up the Kakhovka dam, flooding the region with 4.8billion gallons of water.
The flood poses a further risk upstream too at the the largest nuclear-power plant in Europe, Zaporizhia, in southern Ukraine.
The flood waters in southern Ukraine have been contaminated with corpses following the dam blast.
"Our water comes from the Dnipro - but now the cemeteries are flooded, so it's not safe to drink," one rescuer on the ground in Kherson told The Sun Online.