Gun crime in Brussels has been skyrocketing in recent months, with the violence spreading to neighbourhoods long considered safe and quiet. Behind it are drug gangs, with the Belgian capital becoming a hub for narcotics that enter the country through the port of Antwerp. Authorities are blaming the trend towards ultra-violence on a new generation of traffickers from the French city of Marseille. How can authorities tackle this gangland score-settling at a time when the rate of drug consumption in Brussels is also increasingly rapidly?