1) Some people arrived during midnight, they stay at hotel or on the street near Dataran Merdeka.
2) Police block most traffic into KL center, people said 3:30 am they started already.
3) People get in using other methods, ie LRT, KTM, walk long distance, etc.
4) People start walking towards Dataran Merdeka. Police make some barricade and force people take much longer route.(confirmed for KLCC)