A lone attacker stormed a Rapid Action Battalion (RAB) check-post in Khilgaon on Saturday, but was killed in retaliatory fire.The incident which took place in area of Shekher Jayga early in the morning. According to official version, a terrorist in a motorcycle tried to enter in the area along with explosive. The elite forces opened fire at terrorist, leaving him dead on the spot. At least two RAB members were also injured in this incident. They were rushed to Mughda General Hospital.RAB-3 Commanding Officer, Tuhin Masud, confirmed the matter to Jago News.Ealier, An attacker was killed in a suicide blast at a temporary camp of the Rapid Action Battalion (RAB) in the capital’s Ashkona area at 1pm on Friday.