LIVE: 'Dagga couple' case - history expert takes the stand

'Because of the cannabis oil, I've got a new child'- dagga debate at a crossroads

For one South African mother, cannabis was an illegal drug to warn her son about when he became a teenager: today, she uses it to treat his rare medical condition.

Now the ban on using the drug is being challenged in the High Court, raising the possibility that it could effectively be decriminalised.