Five gunmen were destroyed in a special operation in the Kizlyar Region of Dagestan. Four servicemen were killed in the special operation, a source in the investigation department of the Russian Investigation Committee in Dagestan told Itar-Tass on Friday. “During the clash four servicemen of the Russian Interior Troops were killed, another three got various injuries,” the source said. The shootout broke out on the outskirts of Ukrainsky in the Kizlyar Region of the republic on Friday. The details of the incident are being investigated.