As the invasion of Ukraine continues, more than two million Ukrainians have fled the country and fears that President Putin may resort to the use of nuclear weapons are rising.

For this panel event, Professor Cathryn Costello and Dr Målfrid Braut-Hegghammer join the Blavatnik School’s Ngaire Woods, Tom Simpson and Dapo Akande to assess the implications of Russia’s invasion of Ukraine for the refugee system and global security.