India, Nov. 2 -- Former Bihar MLA and controversial strongman Anant Singh, who was recently fielded by Chief Minister Nitish Kumar's Janata Dal (United) for the upcoming Bihar Assembly elections, was arrested early Sunday in connection with the murder of Jan Suraaj supporter Dular Chand Yadav in Mokama.

Yadav, a gangster-turned-politician and former RJD leader, was killed on Thursday while campaigning for his nephew Priyadarshi Piyush, a candidate from poll strategist Prashant Kishor's Jan Suraaj Party.

The incident has sparked major political tremors in Mokama, a constituency long dominated by musclemen and shifting loyalties.

"Police have arrested three persons-Anant Singh, Manikant Thakur, and Ranjeet Ram - in connection with the mu...