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: Israeli Tanks Surge Into Gaza Refugee Camp -Witnesses (Reuters) Reuters - A column of Israeli tanks surged into the\heart of the Jabalya refugee camp in the northern Gaza Strip on\Thursday as the army broadened its sweep for militants behind a\deadly rocket attack on an Israeli town.

World