A major US ally has launched an investigation into whether Jeffrey Epstein was a Russian spy collecting compromising material on elite global figures -- just days after the release of thousands of messages that tied the late pedophile financier to Vladimir Putin.

Add Yahoo as a preferred source to see more of our stories on Google. WARSAW, Feb 3 (Reuters) - Poland will launch an investigation into possible links between the late sex offender Jeffrey Epstein and Russian intelligence, as well as any impact on Poland, Prime Minister Donald Tusk said on Tuesday.