TOPSHOTS Ukrainian President Petro Poroshenko raises his fist in front of the audience during a military parade marking the 23rd anniversary of Ukraine's independence in the center of Kiev on August 24, 2014. Ukraine's President Petro Poroshenko on Sunday decried Russian "aggression" as Kiev staged a symbolic Independence Day parade while battling pro-Moscow rebels in the east of the country. AFP PHOTO/ YURIY KIRNICHNY