A day-long curfew has been imposed in the city in a bid to support ongoing drive by the forces for the recovery of illegal arms, a private TV Reported. Four centers have been established in various localities of the city where the citizens were asked to submit their weapons being possessed illegally. Security forces were also carrying out search operation in various areas of D I Khan in which at least 30 suspects have so far been arrested. All the offices, educational institutes and business centers were closed in the city due to curfew while the streets were offering a deserted view.