When searching Google for [news], the first page shows 9 results and 4 of them send users to Google News. The news site owned by Google is the top search result, but there are also 3 duplicate results that have some additional parameters:
http://ift.tt/1iFYHmT
http://ift.tt/1GNB3Rb
http://ift.tt/1iFYJv5
This is obviously a bug and it's strange to see that Google didn't ignore Google Analytics parameters.