A new law that bans people from driving after they have consumed alcohol has sparked a start-up idea that involves a driver turning up to take the intoxicated customers home in their own vehicle.

Experts have raised warnings over underage drinking in Vietnam as well as the consequences.

A strict drink driving law has left some small businesses feeling the pinch, with many claiming customers are shunning bia hơi fearing they will fall foul of the tough new regulations.