Koraput: Suspected Maoists gunned down a trader for opposing the Chasi Mulia Adivasi Sangh (CMAS) in Koraput district, police said on Wednesday. The deceased has been identified as Loknath Mandia Sahu. Though the exact reason behind the brutal killing is yet to be ascertained, further investigation is on. The incident occurred at around 9 am today when Sahu was purchasing household articles from a grocery shop at Nilabadi village under Bandhugaon police station area.