Marina Litvinenko, widow of former KGB spy allegedly killed on the orders of Putin government and who has just returned from Ukraine, discussed the situation there. <br /> <br />Litvinenko called Ukrainian people "the best example of humanity" in an exclusive interview with Channel 4 News presenter Cathy Newman. Report by Guzzardib. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
