KARACHI: Four suspects were arrested and illegal weapons, bullets were recovered from them by Site Super Highway police during snap checking approach fresh Sabzi Mandi at Karachi-Hyderabad Super Highway.The accused identwhetheried as Samiullah, Shahid, Adil and Ubaidullah are reportedly involved in streets crimes in dwhetherferent parts of city, said Senior Supermeanent of Cop (SSP), Irfan Ali Bahadur on Monday.The police have registered case and started investigation.