Police on Sunday arrested an active member of United People's Democratic Front (UPDF) from Swaniror Bazaar area under Sadar upazila for his alleged role in February 23 Khagrachhari violence. Additional Superintendent of Police Mohammad Amir Zafar said police raided the area and arrested Khokon Chakma, 28. Police have enough evidence that Khokon was involved in violence, he said. However, District UPDF member Rina Dewan said Khokon is not a UPDF man. He is the treasurer of a club named Huang- boi o-ba, she said.