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: International concern at Rwanda military intervention in DR Congo (AFP) AFP - International concern was growing after Rwandan President Paul Kagame announced that his country's troops will launch an operation in pursuit of Rwandan Hutu rebels in the eastern Democratic Republic of Congo (DRC).

World