A demonstrator shouts anti-government slogans during a peace day rally at Kadikoy square in Istanbul

Demonstrators hold flags and banners as they gather during a peace day rally at Kadikoy square in Istanbul

A woman gestures while others shout anti-government slogans during a peace day rally at Kadikoy square in Istanbul

Demonstrators attend a peace day rally as they hold pictures of displaced people from the minority Yazidi sect, fleeing violence in Iraq, at Kadikoy square in Istanbul