A grocery store has been blown up in the Russian North Caucasus republic of Dagestan, no one was killed or injured, a police spokesman reported on Sunday.

“A police unit established that a grocery store was blown up in the town of Buinaksk at about 02:10 a.m. Moscow Time [22:10 GMT Saturday],” the spokesman said.

“Dog specialists are working on the site,” he said.

More that a decade after the end of a federal war against separatists in the Russian North Caucasus republic of Chechnya, Russian security forces continue to fight militants in other regions in the area, including Dagestan, where attacks on security forces, police and civilians are frequent.