SAHIWAL: The district police have registered cases against 25 nominated and 700 unidentified workers and local leaders of the Pakistan Tehreek-e-Insaf (PTI), including party’s parliamentarians, ticket-holders and office-bearers of Okara, Pakpattan and Sahiwal chapters. These workers have been accused of organising and participating in a ‘workers convention’ at Anjum Farms on Sunday afternoon, without getting permission for the event. The …