Navalny's cause of death: Ukrainian intelligence chief expresses new suspicion. Media reports from Russia said that Navalny collapsed while taking a walk.

Medical staff were subsequently unable to revive him. Ukraine's intelligence chief Kyrylo Budanov has now commented on the Kremlin critic'sCause of death. You can see Budanova's assessment in the video below: (do) (do not share) Do you know who Alexei Navalny is? Nominations are open for 2013 Russian presidential candidates.