Samples from the bodies will be taken to toxicology labs in Cape Town for more advanced analysis.

At least 21 teenagers, the youngest possibly just 13, died this weekend after a night out

Many are thought to have been students celebrating the end of their high-school exams on Saturday night,

Officials have ruled out a stampede as a possible cause and said autopsies would determine if the deaths could be linked to poisoning.

Seventeen were found dead inside the tavern. The rest died in hospital.

There were no visible wounds on the bodies.

There were no visible wounds on the bodies.

The cause of the incident is currently under investigation.

Many people gathered at the scene trying to find loved ones.