Mikhail Kasyanov: Russia labels ex-PM and Putin critic ‘overseas agent’ BBC.comRussia-Ukraine battle: Kremlin pronounces former Russian PM a ‘overseas agent’ – because it came about The GuardianPutin’s first high minister and later his opponent has been added to Russia’s ‘overseas agent’ record Yahoo NewsFormer Russian high minister added to Putin’s ‘overseas agent’ record The HillKremlin provides former Russian PM Mikhail Kasyanov to ‘overseas brokers’ record The GuardianView Complete Protection on Google Information