Police, in special drives arrested 22 persons including two activists of BNP from different areas of the district in last 12-hour ending at 8 am this morning.
Law enforcers also recovered 118 bottles of Phensidyl during the drives.
Police said they were picked up from different areas of the district.
During the drives, Dinajpur Sadar police arrested five people, Birganj Thana police arrested three people, Khansama Thana police arrested one person, Ghoraghat Thana police arrested two persons, Biral Thana police arrested one person, Parbatipur Thana police arrested four people including two activists of BNP from Bangalipara area around 11 pm of the upazila, Nawabganj Thana police arrested two people, Kaharole Thana police detained two people and while Chirirbandar Thana reported police arrested two people.
Several cases, including charges of subversive activities, are pending with different police stations against the accused, the sources added.
Meanwhile, members of Border Guard Bangladesh (BGB) in a drive detained three drug traders with 118 bottles of Phensidyl around 7 am from Hili Railway Station in Hakimpur upazila of the district.
Later, the detained people were handed over to the Hakimpur Thana police, BGB said, reports BSS.
The arrested people have all been detained.