RT News - February 28, 2015 (17:00 MSK)

A manhunt is underway for the killers of Russian opposition figure Boris Nemtsov, who was gunned down in the centre of Moscow; The Kremlin has condemned the killing - calling it a provocation. A thorough investigation's now being implemented; Nemtsov's death sparks media speculation, pointing the finger at the Russian government - we assess whether there's any grounds for the claims.