At least 40 persons including jawans were feared killed in a major naxal attack in Dantewada district of Chhattisgarh. <br/><br/>Early reports say that a civilian bus was targeted in a landmine blast that took place this evening. <br/><br/>The bus was on its way from Sukma to Dantewada. The victims included Special Police Officers.<br/> <br/>The attack comes nearly a month after the Maoists gunned down 75 security personnel in Dantewada district in a deadliest attack on security forces. <br/><br/>Details are awaited.