Donald Trump says he has ordered two nuclear submarines to be positioned in the "appropriate regions" following a row with former Russian president Dmitry Medvedev. It comes after Mr Medvedev, who is now deputy chairman of Russia's Security Council, told the US president on Thursday to remember that Moscow had Soviet-era nuclear strike capabilities as a last resort. On Friday, Mr Trump wrote on social media: "Based on the highly provocative statements of the former President of Russia, Dmitry Medvedev, who is now the Deputy Chairman of the Security Council of the Russian Federation, I have ordered two nuclear Submarines to be positioned in the appropriate regions, just in case these foolish and inflammatory statements are more than just that. "Words are very important, and can often lead to unintended consequences, I hope this will not be one of those instances. Thank you for your attention to this matter!" #trump #russia #nuclearsubmarines 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/ To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales