Riot policemen stand guard during a riot near the Election Supervisory Agency (Bawaslu) headquarters in Jakarta, May 22, 2019. A clash between Indonesian security forces and protesters angry over the result of last month's presidential election raged for a second night. REUTERS/Willy Kurniawan

Protesters gesture during a riot near the Election Supervisory Agency (Bawaslu) headquarters in Jakarta, May 22, 2019. Protesters tore up slabs of pavement, destroyed street signs and set fire to food stalls and security posts but their numbers thinned as the night wore on. REUTERS/Willy Kurniawan

Riot police officer aims tear gas to protesters during a riot near the Election Supervisory Agency (Bawaslu) headquarters in Jakarta, May 22, 2019. The unrest followed an announcement on Tuesday by the General Election Commission confirming that President Joko Widodo had beaten his challenger, former general Prabowo Subianto, in the April 17 poll. REUTERS/Willy Kurniawan

Mobile brigade (Brimob) police officers guard during a riot near the Election Supervisory Agency (Bawaslu) headquarters in Jakarta,May 22, 2019. A crowd of protesters swelled outside the supervisory agency's headquarters on Wednesday, some carrying wooden poles and some with toothpaste smeared around their eyes to mitigate the effects of tear gas. REUTERS/Arimacs Wilander

Riot policemen run away from tear gas during a riot near the Election Supervisory Agency (Bawaslu) headquarters in Jakarta, May 22, 2019. REUTERS/Willy Kurniawan

Riot police officer stands guard during a riot near the Election Supervisory Agency (Bawaslu) headquarters in Jakarta, May 22, 2019. REUTERS/Willy Kurniawan