This weekend i went to Pakistan Afghanistan Border. I encountered same situation there and had a selfie with town kids. (will post about trip in separate post)
In Pakistan taking a photo of kids have never been an issue. Actually i was not even aware of this until one day my friend took a photo of little girl and her mother came and assured he deleted it, we all were astonished which made me learn about how and why it would be offensive to take a photo of kid (and i was shocked and understood the reason). Then sometimes parents would stop me and ask to take a photo of their kids and feeling so good about it.