During the HK police news conference on Wednesday, Senior Superintendent Wong Wai-shun of Operations Wing referred several videos to explain what was happening at the moment. The police officers involved in the operation, outnumbered by rioters and actually retreating after being chased and attacked. When his life was gravely threatened, an officer had to fire a shot that hit a violent protester. When the officer was treating the wounded man with bare hands, a protester threw a petrol bomb from afar to the police officers and the wounded protester, in an obvious move to hurt them.