Explosions Echo Throughout Najaf NAJAF, Iraq - Explosions and gunfire rattled through the city of Najaf as U.S. troops in armored vehicles and tanks rolled back into the streets here Sunday, a day after the collapse of talks - and with them a temporary cease-fire - intended to end the fighting in this holy city... 

Which of the following sections of a newspaper would this article likely appear in? World News, Sports, Business, or Science and Technology? 