He emphasized that "no one should underestimate the determination to defend their sovereignty, security and development interests."
According to RIA Novosti, the representative of the Ministry of Foreign Affairs of China did not specify exactly what measures and in what time frame would be taken.
Earlier it was reported that Deputy Foreign Minister Le Yucheng summoned the US ambassador to Beijing, Terry Branstead, and expressed his protest over the signing by the President of the United States Donald Trump of the law "On the Protection of Human Rights and Democracy in Hong Kong."