A guerrilla leader, suspected of helping to organize recent assassination attempts on Ingushetia\'s Prime Minister Ibragim Malsagov and Nazran police chief Col. Dzhabrail Kostoyev, was killed in a sweep operation on Friday, sources in the republic\'s Federal Security Service branch told Interfax. \"It was established early Friday morning that Mirzoyev was hiding in one of the houses in the village of Karabulak, he was given an opportunity to surrender, but started shooting. The building where he was hiding was surrounded and civilians were evacuated from nearby houses. The guerrilla was killed during the operation,\" one of the sources said. (Interfax)