How Ukraine is taking the war 'deeper' into RussiaTo play this video you need to enable JavaScript in your browser.This video can not be playedHow Ukraine is taking the war 'deeper' into RussiaCloseUkraine has struck two oil refineries in Russia, marking the latest attack where the targets have been deep inside Russia. President Volodymyr Zelensky said it was to limit oil revenues Moscow "uses to finance" its war. Attacks between Russia and Ukraine have intensified in recent weeks and mediation talks have not been fruitful. The BBC's Dan Johnson explains what Ukraine has been doing to effect ordinary business in Russia.SubsectionEuropePublished4 hours agoShareclose panelShare pageCopy linkAbout sharingRelated topicsUkraineFollow Ukraineclose panelYou are now following UkraineUpdates from your News topics will appear in My News and in a collection on the News homepage.RussiaFollow Russiaclose panelYou are now following RussiaUpdates from your News topics will appear in My News and in a collection on the News homepage.EuropeFollow Europeclose panelYou are now following EuropeUpdates from your News topics will appear in My News and in a collection on the News homepage.War in UkraineFollow War in Ukraineclose panelYou are now following War in UkraineUpdates from your News topics will appear in My News and in a collection on the News homepage.Read description