A union parishad chairman, who was allegedly tried to snatch two stalkers away from law enforcers, was arrested from Sadar upazila on Friday night on charges of obstructing law enforcers from discharging their duties. Abu Zafar Mohammad Saleh, chairman of Maisadi union, was held for hampering investigation and making chaos by gathering supporters in the police station premises, said Zaker Hossain, officer in-charge (OC) of Chandpur Model police station. Abu Zafar was sent to the jail yesterday after he was produced before a court. OC investigation of the police station, Md Alamgir Hossain, said two local youths used to stalk a class IX student of Maisadi Girls' High School. Police arrested Shadat Gazi, 22, and Mamun Gayn, 28, on Friday evening following a complaint by the guardian of the girl.