Bharatiya Janata Yuva Morcha member Shikhar Agarwal, a key suspect in the mob violence in Bulandshahr's Siyana, was arrested early Thursday, police said. Agarwal was held from the adjoining Hapur district by the Bulandshahr police, a senior official said.

"He was arrested this morning. We are interrogating him and produce him in the local court later today," Additional Superintendent of Police (Bulandhshahr city) Atul Kumar Srivastava told PTI. Police Inspector Subodh Kumar Singh, 44, and civilian Sumit Kumar, 20, were killed of bullet shots during the mob violence on December 3.