A day after a village chief and his associates fired on a group of tribal farmers in Uttar Pradesh's Sonbhadra district killing 10 people over a land dispute, disturbing details of the massacre have emerged. The main accused, Yagya Dutt, had brought nearly 200 men in 32 tractor trolleys to take possession of the land, eyewitnesses have told NDTV. After the tribals opposed, his men fired at them for over half-an-hour, they add.