Shiites

Gunmen on motorcycles killed 43 people in an attack on a bus in Pakistan's southern city of Karachi

Sectarian rifts will hamper efforts to forge a military strategy and may delay a full-scale assault

Government troops and allied Shiite fighters were forced to withdraw on Tuesday after coming under heavy mortar shelling and sniper fire

At least 70 others got wounded in the attack at a popular bird market which is often crowded on Fridays