New Delhi, Dec. 17 -- Two brothers were shot dead in a hail of gunfire in northeast Delhi's Chauhan Bangar early Tuesday morning, in what police said was a killing carried out by their cousin over a dispute rooted in the illegal arms trade. The attack, which saw more than 40 rounds fired, has sent shockwaves among residents. The victims have been identified as Fazil Amir, 31, and his older brother Nadeem, 33. Police said they were ambushed around 1.40am while returning from their metal works factory on a scooter. Their cousin, identified by police only by his first name Asad, along with at least three associates, opened fire on them barely 150 metres from their home, investigators said. The attack was captured on area CCTV cameras. Police are probing an alleged rift between Asad and Nadeem - both of whom were allegedly in the business of smuggling and supplying illegal weapons to criminals in Delhi -NCR. Additional DCP (northeast) Sandeep Lamba said Asad is the prime suspect and added that other attackers had also been identified....