Ukrainian drone strikes Russian oil refinery in Ryazan region
Another drone was downed as it was approaching a refinery near St Petersburg and 30 others were downed in the southwestern Voronezh region, Russian authorities said.
Please use Chrome browser for a more accessible video player
0:33
A Ukrainian drone has hit an oil refinery in Russia's Ryazan region, injuring at least two people and sparking a fire, according to Russian authorities.