Raipur, Mar 11 (ANI): At least 20 jawans are feared dead and several others have been injured in an encounter between the Naxals and security forces in the Sukma district of Chhattisgarh today. According to reports, the encounter went on for over three hours. The Naxals attacked a joint team of the Central Reserve Police Force (CRPF) and the state police around 10:30 am in the thickly forested Tongpal area, about 500 km south of Raipur.