Russia's restive region: Dagestan's chequered history as arena of violence
New Delhi, June 26 (IANS) Just three months after the deadly Crocus City Hall attack on the outskirts of Moscow, Russia was on Sunday struck by another terror outrage - this time on its southernmost territory, bringing diverse yet restive Dagestan back into the global spotlight, and resurrecting the menace of Islamist terrorism in the volatile North Caucasus region.