A Ukrainian drone struck a Russian oil refinery 155 miles north of Moscow on Monday morning, it has been claimed.

The prominent Russian Telegram channels Baza and 112 said a drone attacked the Slavenft-Yanos oil refinery in Yaroslavl at 7am local time (4am GMT).

They claimed there were no casualties and did not comment on the damage done in the attack.

Russian officials are yet to comment and Ukraine has not claimed responsibility.

Ukraine has launched a wave of attacks on Russian oil facilities in recent weeks.

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