"The Hong Kong government firmly opposes interference by any outside force in China's internal affairs, and will fully support and fully promote all necessary measures by the central government to ensure the protection of national sovereignty and territorial integrity," the statement said.
On August 2, Nancy Pelosi arrived in Taipei.
According to her, the visit to the island shows "America's unwavering commitment" to support "Taiwanese democracy."
China strongly protested Pelosi's visit.
Immediately after that, the People's Liberation Army of China announced military exercises in six areas around Taiwan from August 4 to 7.