Relations between Russia and Iran have strengthened since the start of the war in Ukraine.

Tehran has supplied the Russian military with drones and short-range missiles.

Now, the two countries are cementing their alliance with a 20-year strategic partnership agreement.

The wide-ranging arrangment is expected to enhance cooperation in defence, trade and technology.

So, what's bringing the two countries closer? And how will it affect the global order?

Presenter: Imran Khan

Guests:

Hassan Ahmadian - Professor at the University of Tehran.

Vyacheslav Matuzov - a former Russian Diplomat. 

Marina Miron - Defence Studies Post-Doctoral Researcher, King's College London.