In Chhattisgarh, about 20 Maoists were killed in a fierce encounter with CRPF and state police personnel in Dantewada district yesterday.CRPF Inspector General said a joint team of CRPF jawans and state police deployed in Jagargunda area of Dantewada had gone for area domination exercise when about 200 Maoists started firing at them The security forces returned the fire after which the Maoists fled. Nine dead bodies of ultras in green uniforms have been recovered by the security forces.The IG said though bodies of only nine Maoists were found, possibly 20 Naxals have been killed in the firing. He said the jawans saw certain marks at the spot which indicated that some bodies were dragged from there. The security personnel also recovered weapons and explosives from the site and a search operation has been launched in adjoining areas. In another incident, two CRPF jawans were killed in a landmine blast triggered by the Naxals in Bijapur district.