Hundreds of local people and demonstrators, mostly from the Bagong Alyansang Makabayan (New Patriotic Alliance) left-wing activist group, took the streets in Manila to protest the leaders who attends the APEC regional trade summit, including the US President Barack Obama.
Meanwhile, US President Obama arrived in Manila on Tuesday for the first of back-to-back Asia-Pacific summits that were supposed to be a chance for the United States to reinforce trade and security ties with the economically dynamic region.
Security forces have used water cannons to disrupt the crowds.
The protesters on Thursday morning in the Manila Bay area supposed that APEC summit works to benefit only multinationals and rich countries with their developing economies.
Renato Reyes, a protest leader told the Associated Press news agency: "APEC and imperialist globalisation have only benefited the rich countries while further impoverishing developing countries like the Philippines."
“There is an urgent need for increased international co-operation and solidarity in the fight against terrorism" the leaders said in the summit.
Approximately 129 people had been killed and more than 350 had been injured in a series of coordinated attacks in the Bataclan concert hall, several restaurants and the Stade de France stadium in Paris on the evening of 13 November 2015.