According to the authorities, at least 137 people were killed and 182 injured in an attack on a concert hall near Moscow. The Islamic State (IS) terrorist militia has claimed responsibility for the attack. Federal Minister of the Interior Nancy Faeser (SPD) warns of increasing danger from Russia's hybrid warfare.
CASSIS Fellow and security expert Dr. Frank Umbach assesses the events in an interview with Phoenix. He warns that Russia could try to use the incident for domestic political purposes and to expand the war in Ukraine.