I had the same issue. I was driving and thought I would pull over because the Police Patrol showed a torch to pull over despite me being with my elderly mother. They asked for ID and I produced my UK driving Licence as I am on holiday but they started being funny the police patrol and when I made a video of them they snatched my mobile phone and bank card and started misbehaving.
That's why many people that come from UK don't bother coming to Pakistan because it's a corrupt country with no law. The patrol police further made fake cases against me and beat me up in the police station whilst my elderly mother sat in the cold outside in the car for 8 hours.
This is the rubbish Pakistan we live in! Thank God I won't be coming back to this rubbish again