Two Russian oil refineries have been hit in apparent Ukrainian drone strikes. Sky News defence analyst, Prof Michael Clarke, says the attacks are aimed at damaging Russian infrastructure ahead of the expected offensive by Ukraine. #ukraine #russia #nuclearpowerplant #zaporizhzhia Read more about Ukraine here: https://news.sky.com/topic/ukraine-6556 SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on Twitter: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok: https://www.tiktok.com/@skynews For more content go to http://news.sky.com and download our apps: Apple https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB Sky News Daily podcast is available for free here: https://podfollow.com/skynewsdaily/ Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí: https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog Sky News videos are also available in German here/Hier können Sie außerdem Sky News-Videos auf Deutsch finden: https://www.youtube.com/channel/UCHYg31l2xrF-Bj859nsOfnA To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales