Chechen police have detained a militant in the Shali district, a source in the district's police department told Interfax. "Tapa Umayev, a member of Akhmed Yunusov's group was apprehended in an operation in Duba-Yurt," the source said.A local resident found artillery shells near the village of Zony in the Shatoi district, a source in the district administration told Interfax by telephone.