A day-labourer was killed and another injured in a bloody clash between two groups of labourers at Bholaganj stone quarry in Companyganj upazila of Sunamganj district on Sunday. Victim Rathindra Das, 30, was son of Raj Kumar Das of Niyamatpur village in Shalla upazila. Police said, an altercation ensued between the labourers of Shaheed Mia and Dulal Mia over a trifling matter at about 8:00am. Later, both the groups equipped with lethal weapons attacked each other leaving Rathindra and Provat Das critically injured. They were rushed to Sylhet Osmani Medical College and Hospital where Rathindra succumbed to his injuries at noon.