People perform keyword search on search engines in order to find information from the Web. Keywords given to search engines can be regarded as the resources for detecting people's information needs. It is often reported that many people perform search intensively after worldwide disasters or accidents. This paper describes a method for detecting breaking news from search keywords that are available online. In our method, real time search keywords are obtained and matched with news words extracted from a news site. Experimental results show that our method has abilities of detecting search keywords related to worldwide news