Terrorist cell linked to Moscow concert hall attack ‘broken up’

More people have been detained over the Moscow concert hall attack (Picture: Sergei Ilnitsky/AP)

Russia’s top security agency said it has broken up a terrorist cell whose members provided weapons and cash to suspected attackers of a Moscow concert hall.

The Federal Security Service, or FSB, said it detained four suspected members of the cell in the southern Russian province of Dagestan in the North Caucasus.