It's 50 times stronger than heroin and can kill in just two minutes. The dangerous synthetic opioid fentanyl has been found in drugs in Canberra. We explain what it does and how to keep yourself safe.

Also, Qatar Airways wants to buy 25 per cent of Virgin Australia ... so would it make airfares cheaper and should Qantas be worried?

Plus, a new online code has come into effect for dating apps to crack down on abusive behaviour.

And find out what it's really like to run away to join the circus!

Guests:

• Dr Lisa Portolan, academic, University of Technology Sydney
• Chris Gough, Executive Director, Canberra Alliance for Harm Minimisation and Advocacy