Jhenaidah district police, in separate overnight drives, arrested 42 people, including four activists of Jamaat-e-Islami, on various charges from different upazilas of the district.
Additional superintendent of police (ASP) Azbahar Ali said they conducted special drives in six upazilas and arrested them.
The activists of Jamaat-e-Islami were picked up from Maheshpur upazila during the period.
Several cases, including charges of subversive activities, are pending with different police stations against the arrested persons. The detainees were sent to jail.