'Never seen before' sanctions on Russia if it invades Ukraine: Denmark

European Union (EU) is ready to impose "never seen before" economic sanctions on Russia if it attacks Ukraine, Denmark said on Monday. Foreign ministers of EU countries also said they will send a unified warning to Moscow amid invasion fears. "Russia should know...that...price of using...military forces to change borders in Europe will be...very high," Danish Foreign Minister Jeppe Kofod said.