Police shot with arrow

During the chaos, a police officer was shot by rioters in the calf with an arrow.

The injured officer was carrying out media liaison duties when a large group of journalists was reporting in the same area, the police said.

Police severely condemned the violent acts, warning their violent activities have escalated to rioting. Anyone who stays behind or assists rioters may be liable to be charged with "Taking Part in a Riot", according to the police.

An anti-riot officer was shot by the rioters with metal balls on the visor of his helmet, right above his nose. The officer was fortunately not injured, police reported.

The police advised members of the public to avoid going to the area, as a large number of offensive weapons, including flammable fluid, are stored on the campus.

On Saturday night, a spokesman for PolyU said several laboratories had been vandalized and some "dangerous" chemicals were stolen. The university had reported the incident to the police, considering it a serious threat to public safety.

Hundreds of thousands of commuters who need to travel across Victoria Harbor have been seriously inconvenienced the public traffic in the vicinity of the PolyU, including the Cross-Harbour Tunnel, has been paralyzed since Nov 11.

The radical protesters blocked the roads and damaged traffic facilities. Tollbooths of the tunnel were repeatedly set on fire. On Friday night, they broke into the Cross Harbour Tunnel Administration Building, cutting off power to the building and damaging the fire alarm system.

The district was not the only one in Hong Kong to be severely paralyzed by radicals this week. In the most serious case, residents living in northern and eastern parts of the New Territories were stranded for six days due to the blockade of Tolo Highway and vandalism on the East Rail line.