At least 42 killed as gunmen open fire on vehicles carrying Shiites in northwest Pakistan CNN
Gunmen attack Pakistan passenger vehicles, killing at least 38 people Reuters
At least 42 killed in sectarian violence in Pakistan’s Khyber Pakhtunkhwa Al Jazeera English
Pakistan: Dozens dead in attack on passenger vehicles in Kurram BBC.com
At Least 38 Killed as Gunmen Ambush Shiite Convoys in Pakistan The New York Times
Video shows moments after gunmen open fire on vehicles in Pakistan NBC News
At least 38 killed in northwest Pakistan as gunmen open fire on vehicles carrying Shiite Muslims PBS NewsHour
Pakistan: Gunmen kill 38 on highway near Afghan border DW (English)
Gunmen massacre dozens of passengers in Pakistan VOA Asia

Smog in Pakistan Smothers Lahore, Breaking a Vibrant City’s Rhythms The New York Times
Pakistan - The World Factbook CIA
Gunmen fire on vehicles carrying Shiites in northwest Pakistan, killing at least 42 The Associated Press