ANKARA,- A US decision to arrest Turkish security guards involved in a brawl in Washington in May is a scandal, President Tayyip Erdogan said on Friday."This is a complete scandal. It is a scandalous sign of how justice works in the United States," Erdogan told reporters after prayers for the Muslim Eid al-Adha celebration.Eleven people were hurt in the brawl during Erdogan's visit to Washington, which the city's police chief described as a brutal attack on peaceful protesters outside the Turkish ambassador's residence.