Finland's government has proposed a new law that would allow frontier guards to turn away asylum seekers at the border, following a migrant surge that Helsinki said was orchestrated by Russia. Andrew Geddes of the Migration Policy Centre tells FRANCE 24's Mark Owen that the potential for migration to be a destabilising factor in both domestic and international politics is clear, and that fear and concern about migration is one way that influence by hostile powers could be exerted, as well as actual movement.