Police in a drive held a member of banned militant outfit Jama’atul Mujaheedin Bangladesh (JMB) at Barial village of Haripur upazila in Thakurgaon early Wednesday.The detainee is Saheb Chan, 18, son of Yousuf Ali of the upazila.A pistol, three round bullets and two homemade sharp weapons have been recovered from his possession.Confirming the matter, Thakurgaon Police Superintendent Farhat Ahmmed said, they were searching him for long.