Hyderabad, May 9 -- Three commandos belonging to the Greyhounds, the elite anti-extremist wing of the Telangana Police, were killed and three others sustained injuries in an IED explosion triggered by Maoists at Venkatapuram village in Mulug district, bordering Chhattisgarh, on Thursday, officers aware of the matter said.The incident took place in the dense forest areas of Penugolu gutta hills, which form part of the Karreguttalu hillocks of Bijapur district in Chhattisgarh, they added. HTC...