PESHAWAR: A joint team of Anti-Narcotics Force and campus police Wednesday conducted raids at different hostels of the University of Peshawar and Islamia College University and arrested a number of students for allegedly boarding illegally in the hostels. They also recovered narcotics and pistols from some rooms, according to sources. The Anti-Narcotics Force has launched an operation against drugs. Similar raids were conducted on private hostels the other day. The raids on university hostels were part of the campaign.