In the Philippines 42-43 degrees, thousands of schools closed. 40 degrees were expected in the capital Manila, a level at which authorities advised "extreme caution" According to official data, more than 5,000 schools have closed their doors in the Southeast Asian archipelago.

More than 3.6 million students were sent home in the Philippines on Thursday. Reproduction of this article is strictly prohibited in the U.S. and cannot be published without the express consent of the publisher, ANSA.