Russia's FSB security service said Saturday it had foiled an attack planned by a cell loyal to ISIS in the country's unstable southern republic of Dagestan, arresting four people.
"Members of the group planned to detonate an explosive close to an administrative building belonging to security services, followed by an armed attack against interior ministry employees" in regional capital Makhachkala, the FSB said in a statement.
As well as arresting four "members of the international ISIS terrorist group", investigators found "firearms and bladed weapons, a large amount of ammunition and an explosive device", it added, along with mobile phones containing "exchanges with organizers located abroad".
On December 17, police killed two attackers targeting security forces in Russia's neighboring republic of Chechnya.
Six people were also killed during an October "counter-terrorism" operation in the Chechnyan capital Grozny, including two members of the security forces.
