Papuan students staged a protest in front of Indonesia Army headquarters in Jakarta, August 22, 2019. Hundreds of Papuans staged a peaceful protest in the Indonesian capital of Jakarta on Thursday, August 22, 2019, demanding self-determination for West-Papua after the detention of Papuan students in East Java stoked accusations of racism. TEMPO/Subekti

Papuan students staged a protest in front of Indonesia Army headquarters in Jakarta, August 22, 2019. Bearing banners and "Free Papua" flags, protesters gathered around the Presidential Palace chanting anti-colonial slogans on Thursday afternoon. TEMPO/Subekti

Papuan students staged a protest in front of Indonesia Army headquarters in Jakarta, August 22, 2019. Hundreds of Papuans staged a peaceful protest in the Indonesian capital of Jakarta on Thursday, August 22, 2019, demanding self-determination for West-Papua after the detention of Papuan students in East Java stoked accusations of racism. TEMPO/Subekti

Papuan students staged a protest in front of Merdeka State Palace in Jakarta, August 22, 2019. Papuan students were detained in the East Java city of Surabaya over accusations that they had disrespected the Indonesian flag in front of a dormitory during celebrations of Independence Day on Saturday, August 17, 2019, triggering mass protests across West Papua. TEMPO/Subekti

Papuan students staged a protest in front of Merdeka State Palace in Jakarta, August 22, 2019. Indonesian police have since sent 1,200 additional officers to West Papua. A separatist movement has simmered for decades in Papua, while there have also been frequent complaints of rights abuses by Indonesian security forces. TEMPO/Subekti

Papuan students staged a protest in front of Merdeka State Palace in Jakarta, August 22, 2019. Hundreds of Papuans staged a peaceful protest in the Indonesian capital of Jakarta on Thursday, August 22, 2019, demanding self-determination for West-Papua after the detention of Papuan students in East Java stoked accusations of racism. TEMPO/Subekti