Photo illustration shows a Pakistani security guard searching a car at a check point in Pishin, near Quetta, the capital of Baluchistan province in 2011. A car bomb exploded near a university bus ... more 

Photo illustration shows a Pakistani security guard searching a car at a check point in Pishin, near Quetta, the capital of Baluchistan province in 2011. A car bomb exploded near a university bus Monday killing two students and wounding over 25 other people, most of them students, in Pakistan's insurgency-torn southwest, police said less