Unidentified assailants have attacked Fenerbahçe football team's Ankara branch on Friday, Turkish media outlets reported.The assailants have attacked the building with knives, according to the official Twitter account of the branch.The first tweet below reads "This afternoon, our Ankara branch was attacked by a group of unidentified assailants" while the second says "We're calling upon the officials, we're not safe here, will you act when they kill us?"