Waving brooms thousands of sandstone workers on Friday held a protest in Tahirpur upazila against what they said a conspiracy to close a sand and stone quarry in the trans-boundary Jadukata river. They chanted slogans against Karuna Sindhu Chowdhury, the chairman of Tahirpur Upazila Parishad of Sunamganj blaming him for the move. Several thousand workers from Tahirpur and Bishwambharpur upazilas including Maharam, Laudergarh, Shahidabad, Bariktila, Baragoptila, Mudergaon, Suhala, Miarchar marched through the streets from Tahirpur Naukaghat area. Later, they held a protest rally and formed a human chain at Sheikh Russell Mini Stadium in Tahirpur.