If it is proved that the actions were deliberate , then Pakistan will be in serious trouble for breaching V. Convention. And don't expect me to prove that, I'll be in headlines
My discussion is based on that, Diplomats with protocol ID are detained Mistakenly in City in which their Consulate stands is highly doubted. I would have believed the 'mistaken' part if it had happened in Quetta or swabi, or some interior.
It is similar to that , an ambassador(JS) level officer is detained by police by mistake. Not possible