The Prime Minister is being urged to intervene in the case of a Devon man killed in unexplained circumstances in Ukraine.
Barry Pring from Bradninch died in 2008 after being hit by an unmarked vehicle while in Kiev.
An inquest recently returned a verdict of unlawful killing. His family believe he was murdered.
Today his case was raised in the Commons by his MP Neil Parrish:
Click to hear the Prime Minister's response: