Russia said its security forces stormed a detention center in the city of Rostov-on-Don and killed six men linked to Islamic State who had taken two guards hostage at the facility.

Russia said its security forces stormed a detention center in the city of Rostov-on-Don and killed six men linked to Islamic State who had taken two guards hostage at the facility.

Russia said its security forces stormed a detention center in the city of Rostov-on-Don and killed six men linked to Islamic State who had taken two guards hostage at the facility.