Karachi is facing a drugs epidemic - it is estimated that half a million chronic heroin addicts live in the port city. Mobeen Azhar finds out how a charity is trying to help. Show more
Discover 11,128,835 listings and 278,066 playable programmes from the BBC
Karachi is facing a drugs epidemic - it is estimated that half a million chronic heroin addicts live in the port city. Mobeen Azhar finds out how a charity is trying to help. Show more