Excerpt:
A school principal was targeted early Saturday in a different region of Dagestan. Sidikullah Akhmedov, who worked in the Sovetskoye village school, died on the spot near his home from wounds to the stomach, the ministry said.
Islamist website JamaatShariat.com, affiliated to the Caucasus Emirate group, called Akhmedov an "adversary of Islam" who opposed the wearing of the hijab in school.
Dagestan has experienced some of the deadliest violence in Russia's mostly Muslim southern periphery since peace was largely restored in neighbouring Chechnya just under a decade ago.