Russia is still reeling from its deadliest terrorist incident in two decades. It is estimated that more than 130 people were killed and scores more injured in Friday's attack on Moscow’s Crocus City Hall concert venue.

The Islamic State group has said four of its members carried out the attack. Yet Russian officials, and state media, have largely ignored any Islamic State link, focusing almost exclusively on a possible Ukrainian connection.

What will Putin do next? And what does this all mean for Russia’s war with Ukraine? Dr Samir Puri, Associate Fellow, UK in the World Programme weighs in.