Four suspected dacoits have been lynched and two others were injured at Chairman ghat of Hatia upazila in Noakhali district in the wee hours of Saturday.The injured people were admitted to Noakhali Medical Collage Hospital.The identities of victims could not be known immediately. Officer-in-Charge of Hatia Police Station Arichul Haque confirmed the matter to the journalists. He said, a group of people were roaming in the area and the locals challenged them. At one stage, locals gave them a good beating, leaving four dead on the spot and two critically injured, he added.