The clashes began Tuesday night when supporters of former Gen. Prabowo Subianto tried to force their way into the downtown offices of the election supervisory agency

The protesters tried to force their way into the downtown offices of the election supervisory agency late Tuesday and clashes have continued since then.

Indonesian President Joko Widodo on Thursday declared victory in a presidential election to lead the world's third-largest democracy but his challenger also claimed he had won and complained of widespread cheating.