Ukraine's President Volodymyr Zelenskiy visited Ukrainian troops on the front lines in the northeastern Kharkiv region on Sunday - his first official trip outside the Kyiv region since Russia invaded Ukraine just over three months ago.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline