Volkswacht Bodensee - Ukraine claims drone attack on oil tanks in Russia

Kyiv has carried out several similar attacks on Russian energy facilities in recent months, arguing they are fair targets given that they fuel Moscow's military.

Russia has also staged dozens of devastating attacks on Ukrainian power plants throughout its two-year invasion, crippling the country's energy grid.

"Oil product tanks caught fire in Azov as a result of a drone attack. According to preliminary data, there were no casualties," said the governor of the local Rostov region, Vasily Golubev.

Video published by Russia's emergencies ministry showed thick smoke and flames billowing out of what appeared to be multiple oil storage tanks in an undisclosed location.

Ukraine did not say how many drones were involved in the attack.

The defence source, who asked not to be named, described it as a "successful" attack and said it caused "powerful fires in the installations".

The Security Service of Ukraine (SBU) "will continue to impose 'drone sanctions' on Russia's oil refining complex and reduce the enemy's economic potential, which provides the aggressor with resources to wage war against Ukraine," the source said.

It also claimed that SBU drones have carried out more than 20 successful attacks on Russian oil facilities in various regions.

- Russia 'trying to advance' -

Some 200 firefighters and emergency personnel were deployed to deal with the blaze, which spanned an area of at least 3,200 square metres (3,800 square yards), Russia's emergencies ministry said.

The Rostov region sits directly across the border from Ukraine and is home to the operational headquarters overseeing Russia's invasion.

On the battlefield, Ukraine said Russian forces were fighting to enter the outskirts of Chasiv Yar, a flashpoint town in the east whose capture could accelerate Russian advances.

Ukraine's eastern region of Donetsk, where war-scarred Chasiv Yar lies, has borne the brunt of fighting over more than two years and the Kremlin claims the region is part of Russia.

"The enemy keeps trying to advance to the micro-district Novy in the town of Chasiv Yar," a Ukrainian military official said in a briefing.

Further south, the military said Moscow's forces were also pushing towards Pokrovsk, where they were closing in on a key road that would complicate supplies between strategic hubs in the region.

A 24-year-old Ukrainian serviceman, who identified himself with his call-sign Dykyi, dismissed concerns Russians could render the road impassable for Ukraine.

A colleague, who did not give his name, noted that Russian forces were already flying drones and launching missile attacks at the road.

"It will definitely not be blocked for the military," Dykyi told AFP at a training ground in the Donetsk region, however, over the sounds of gunfire.

He said that even if Russian forces do advance towards the thoroughfare, military engineers could craft new routes or fix alternative roads in bad repair.

"As long as the weather is good, there are routes everywhere," he said.

- Beheading, power cuts -

Ukraine's air force meanwhile said it had downed 10 Iranian-designed attack drones launched by Russian forces overnight.

In a separate incident, Ukraine's prosecutor general accused Russian forces of beheading a Ukrainian serviceman in the eastern Donetsk region.

Ukraine's national grid operator Ukrenergo meanwhile said the country will face rolling electricity blackouts throughout Wednesday after Russian strikes on Ukrainian power plants.

On the diplomatic front, US Secretary of State Antony Blinken said Tuesday that China's support for Russia's defense industry is prolonging the Ukraine war and "has to stop".

Chinese foreign ministry spokesman Lin Jian earlier urged NATO to "stop shifting blame" over the Ukraine war after the alliance's chief Jens Stoltenberg accused Beijing of worsening the conflict through support of Russia.

At a summit in Switzerland on Sunday, world leaders backed Ukraine's independence and territorial integrity, and the need for eventual talks with Russia on ending the war -- but left the key questions of how and when unresolved.

Moscow doubled down on its demand for Kyiv's effective surrender as a starting point for negotiations.

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U.Maertens--VB