Ukraine's President says Moscow is testing Europe's red lines. Unidentified drones are being spotted at some of the busiest airports and military sites in the EU. That's as the bloc pours billions of dollars into its defences. So, are Europe and Russia close to a confrontation? And is either side ready for conflict?

In this episode: 

• Stefan Wolff - Professor of International Security at the University of Birmingham.
• Alexander Bratersky - Independent journalist, and former reporter for the Moscow Times and Defence News.
• Alexandre Vautravers - Associate Fellow at the Geneva Centre for Security Policy.

Host: Adrian Finighan

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