Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Iraqi Police Enter Najaf Shrine, Arrest Militiamen  NAJAF, Iraq (Reuters) - Iraqi police took control of the  Imam Ali Mosque in the holy city of Najaf on Friday after  entering the shrine and arrested some hundreds of militiamen,  Interior Ministry and an Iraqi government source said.

World