Chief Executive of the Hong Kong Special Administrative Region (HKSAR) Carrie Lam signs a petition in support of the national security legislation as she visits a street stand in Hong Kong, south China, May 28, 2020. (Photos: Xinhua)

Chief Executive of the Hong Kong Special Administrative Region (HKSAR) Carrie Lam visits a street stand and signs a petition in support of the national security legislation in Hong Kong, south China, May 28, 2020.

Chief Executive of the Hong Kong Special Administrative Region (HKSAR) Carrie Lam visits a street stand and signs a petition in support of the national security legislation in Hong Kong, south China, May 28, 2020.

Photo taken on May 28, 2020 shows the signature of Carrie Lam, chief executive of the Hong Kong Special Administrative Region (HKSAR), on a petition in support of the national security legislation, at a street stand in Hong Kong, south China.