UNB, Dhaka :Detectives in three separate drives in the city from Thursday night to early Friday recovered around 30,200 pieces of yaba tablets and arrested eight alleged drug dealers.A special team of the Detective Branch (DB) of Dhaka Metropolitan Police (DMP) conducted a drive in Shahbagh area at around 1:35 am and arrested two drug dealers, indentified as Abul Bashar and Rezaul Karim.