New Delhi, News24 Bureau, Oct 4: (Updated) Yet another story of ruthless murder emerges from Uttar Pradesh capital Lucknow. Murders and crime are going unabetted in Yogi raj. And this despite CM's repeated assurance of giving a crimefree state.In the latest one two brothers, Imran and Armaan were shot dead after being beaten up by two men in Lucknow late on Wednesday night. The brothers were killed in Thakurganj area of Old Lucknow.After killing the two brothers the two assailants fled the spot.Imran and Armaan were travelling in a car when they were attacked. Four people have been detained so far and investigations are on.And the boys were tortured mercilessly Imran and Armaan were shot dead. According to the family members, the boys were beaten up with cane and rods. The police control room was contacted but nobody answered.After killing Imran and Armaan, the two assailants reportedly fled the spot."We are investigating the matter and will soon trace the murderers," Superintendent of Police (SP), Lucknow, Kalanidhi Naithani said adding the initial investigations suggest that the two groups had an old rivalry.As of now, one accused has been arrested and the search for second is on.