Security personnel arrested a top CPI (Maoists) leader from Jharkhand's East Singhbhum district during an anti-Maoist campaign today, police said. The Maoist leader was arrested from an area under the jurisdiction of Patamda police station, the police said. A loaded country-made pistol of 7.65 bore, five cartridges, one magazine, four bundles of codex wire, 25 detonators and explosives were recovered from the Maoist leader's possession, a police officer said.