Ukraine's government is hinting at involvement in an explosion in Crimea. If true, it could show Ukraine has new capability to strike deeper into Russian territory, potentially changing the dynamic of the six-month war. #Ukraine #UkraineCrisis #Russia #News #Reuters Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en