OFFENBACH, GERMANY - NOVEMBER 28: Mourners gather outside the Sana clinic to commemorate Tugce Albayrak on her 23rd birthday, November 28,2014 in Offenbach, Germany. Doctors have since declared her brain dead and Tugce's parents let them remove her from life support system. A Serbian man Sanel M., reportedly punched Tugce so hard that she received brain damage after falling on the pavement on November 22 in Giessen. (Photo by Mehmet Kaman/Anadolu Agency/Getty Images)