Ukraine carried out a drone attack on a Russian oil terminal west of St. Petersburg, a Ukrainian defense source tells CNN — in the latest example of Ukraine’s extended reach into Russia. Separately, another video shows a Russian tank erupting into a fireball after what appears to be a Ukrainian strike.Ukraine carried out a drone attack on a Russian oil terminal west of St. Petersburg, a Ukrainian defense source tells CNN — in the latest example of Ukraine’s extended reach into Russia. Separately, another video shows a Russian tank erupting into a fireball after what appears to be a Ukrainian strike.