At least 55 people have been arrested over their suspected involvement in the Peshawar madrasa explosion that killed eight people and injured 120 others earlier this week.

In a statement issued on Wednesday, the police said the arrests were made during a major crackdown, which was launched by the Rapid Response Force, Ladies Police and Bomb Disposal Unit in Dir Colony, where the Jamia Zuberia madrasa is located, and its adjoining areas, Dawn news reported.