DANG: An activist of Unified CPN-Maoist, Gambarchan Rokka has been shot by an unidentified gang on Monday, UCPN-M Dang said.Rokka had received four bullet shots and is undergoing treatment at Bheri Zonal Hospital. YCL activists, however, nabbed five persons on charges of the attack and handed them to the police. Meanwhile, UCPN-M Dang secretary Subas Pun in a press release on Tuesday has demanded investigation into the case. The press release also claimed that ex-royalists were being mobilised in the area to disrupt the peace process.