HONG KONG, Oct. 5 (Xinhua) -- Chief Executive of China's Hong Kong Special Administrative Region (HKSAR) Carrie Lam said Saturday that the government will take the greatest resolve to end violence, after rampant rioters Friday wreaked havoc in various areas of Hong Kong.

Lam said in a video address that Hong Kong witnessed "a very dark night" on Friday due to the extreme acts and the society was half-paralyzed.

She pledged decisive legal measures to restore peace and order in Hong Kong.