Police have arrested a CPN (Maoist Center) leader Kali Bahadur Kham.

Kham, who is said to be the mastermind of the murder of Ram Hari Shrestha, a businessman close of the CPN-UML, was apprehended from Thamel, Kathmandu, a police source said.

Kham is accused of abducting and murdering Shrestha.

Also the central member of the Maoist Center, he was at large to evade the arrest.