Four District Reserve Guard (DRG) police constables were injured in an IED (Improvised Explosive Device) explosion triggered by the Maoists in Sukma district of south Chhattisgarh on Saturday.“The IED explosion took place in Sirsitti area under Fulagondi police station limits of Sukma. The injured constables have been airlifted to Raipur for treatment,” D. Ravishankar, the Superintendent of Police (SP) posted in Chhattisgarh police’s Anti-Naxal Operation (ANO) unit said.The incident took place when the DRG team was returning after carrying out a search operation in the area.In a separate incident, the Maoists killed a former Maoist in Gadchiroli district of Maharashtra.“The Maoists killed Talwarshingh Madavi at Darachi village in Dhanora division of Gadchiroli last night. Talwarsingh was sleeping at his home when 20 to 25 armed Maoists entered his home and forcibly took him along with them. His dead body was found on Sindhesur road today morning,” Gadchiroli district police said in a press statement.Mr. Madavi, a resident of Nadekal village in Korchi division of the district, had surrendered to the police in 2013 after working in the Maoist movement for some years.“Until 2015, he stayed in Gadchiroli district headquarters. In 2015, he shifted to Darachi village along with his family and was living a peaceful life. But the Maoists could not tolerate it and killed him brutally,” the police statement added.In another incident, five inmates managed to escape from the district jail in Maoist-insurgency hit Dantewada district of South Chhattisgarh on Saturday morning. The police managed to nab four of them, however, the fifth inmate could not be tracked down until Saturday evening.