Britain said on Thursday it had imposed asset freezes on Chelsea soccer club owner Roman Abramovich and Igor Sechin, the chief executive of Russian oil group Rosneft, plus five other Russian oligarchs.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
