Airblue down near Islamabad
The crash site is apparently along one of the ridges to the NW of the airport. There is a typical-looking uphill fan of burned woods such as one finds in a CFIT into hilly terrain. Of course I am just thinking out loud, but given that it is monsoon season, CFIT is not an unreasonable speculation.
It wouldn't be the first thing that comes to my mind. For a start, we don't seem to yet have any official report on communications from the a/c. Bound to be pilot error, tho', I suppose. Always is 