Earlier, around 350 protesters have attempted to march to the US Embassy in Manila, but the police have stopped them before they could reach the compound.
The activists were shouting anti-US slogans and carried banners saying "Ban Trump."
The 31 ASEAN Summit and Related Meetings kicked off in the Philippines on Friday and will end on November 14. Leaders and heads of governments of around 20 countries are set to attend the event, including Trump, Russian Prime Minister Dmitry Medvedev, Premier of the Chinese State Council Li Keqiang, Japanese Prime Minister Shinzo Abe, Prime Ministers of Canada and India, Justin Trudeau and Narendra Modi, and US Secretary-General Antonio Guterres.
Trump started his Asian trip in early November, having already visited Japan, South Korea and China. On Friday, Trump arrived in Vietnam for the Asia-Pacific Economic Cooperation (APEC) Summit, and on Sunday, he is scheduled to arrive in the Philippines to take part in the ASEAN-US summit.
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