China hits back at US espionage allegations, accusing Washington of using spying claims to justify restrictions against tech sector. Also on East Asia Tonight: Chinese AI firms are racing to secure its chips, fearing tighter US export restrictions; China’s president says reunification with Taiwan is unstoppable; G7 foreign ministers warn that Beijing’s increasingly assertive actions in waters east of Taiwan threaten regional stability; COP31 host Türkiye secures a record US$1.