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: Concerns mount for reporters missing in Iraq A freelance Italian journalist who had been working in the troubled Iraqi city of Najaf is missing and his driver has reportedly been killed, government and aid officials said on Saturday.

World