NEW YORK (AP) — From the streets of Manila to the plazas of Santiago, Chile, people around the world marked International Women's Day on Sunday with calls to end exploitation and increase equality.

But tensions marred some celebrations, with police reportedly using tear gas to break up a demonstration by thousands of women in Turkey and security forces arresting demonstrators at a rally in Kyrgyzstan.

"In many different ways or forms, women are being exploited and taken advantage of," Arlene Brosas, the representative of a Filipino advocacy group said during a rally that drew hundreds to the a...