Chatra (Jharkhand): The Jharkhand Police have arrested a senior Maoist leader and recovered a huge cache of ammunition from a forest in Chatra district, officials said. Arjun Ganjhu, a top commander of the banned Maoist outfit Tritiya Sammelan Prastuti Committee (TSPC), was apprehended during a raid in Tikda village under the Lawalong police station area..