Al Qaeda's umbrella group in Iraq claimed responsibility for the twin suicide bombings in the heart of Baghdad that killed at least 155 people, including 24 children trapped in a bus leaving a day care center.
Iraqi security forces blocked streets around the capital Monday and carried out intense searches at checkpoints a day after two truck bombs exploded, killing 155 people in one of Baghdad's safest areas.
Two helicopters collided Monday in southern Afghanistan, killing four American troops and injuring two, the military said. A third U.S. helicopter crashed in a separate incident in the west, leaving "some dead."
Israeli forces stormed Jerusalem's holiest shrine Sunday, firing stun grenades to disperse hundreds of stone-throwing Palestinian protesters in a fresh eruption of violence at the most volatile spot in the Holy Land.