Ross Atkins on… The death of Igor Kirillov

Ukrainian sources told the BBC that the country’s security service was behind the killing of a high-ranking general in the Russian armed forces and his assistant.

BBC Analysis Editor Ross Atkins, in collaboration with the BBC Verification Service, takes a look at material from the scene to assess what we know and what we don’t know.

Produced by Catherine Carelli, Richard Irvine Brown, Olga Robinson and Mark Lyons