The drone’s wing was torn off, and it did not detonate. The drone may have caught its wing on trees, preventing it from reaching its target. Read also: Ukraine knocks out 15% of Russia’s oil refining capacity — report FSB officers were called to the site of the drone crash, and explosives experts allegedly destroyed it in the evening of the same day. Attacks on Russian oil refineriesUkraine’s SBU security service has successfully attacked at least 12 oil refineries in Russia recently, Reuters reported on March 17, citing a source in the service. This figure does not include Main Intelligence D…