Dantewada: Ten policemen and a driver were killed in a Naxal attack in Chhattisgarh on Wednesday. The security personnel and a civilian were killed in an Improvised Explosive Device (IED) blast carried out by Maoists when the policemen were travelling in a mini-van to launch an anti-Naxal operation in the area. The Maoists attacked the mini-van carrying District Reserve Guard