The U.S. State Department said that Hong Kong's offered bounties for six more pro-democracy campaigners who were deemed to have violated national security laws and the revoking of the passports of seven more amounted to intimidation efforts.

The police say they will give HK$1m to people who can help them find those accused of breaching security laws.

The teenage activist, who attended some of the protests back in Hong Kong in her school uniform, having gone straight from class to the marches when she was as young as 13, has been described as a “brave” and “fiercely pro-democracy” figure by those that know her.

Hong Kong offered bounties of HK$1 million ($128,728) on Tuesday for six more pro-democracy campaigners deemed to have violated national security laws, and revoked the passports of seven more, as the Asian financial hub keeps up a security campaign.

The Hong Kong government has condemned Washington for extending sanctions imposed on local officials through to November 2019. US President Joe Biden signed the US$895 billion (HK$6.94 trillion) National Defense Authorization Act on Monday – an annual piece of legislation that funds US defence and directs foreign policy.

US State Department issues statement after Hong Kong places HK$1 million bounties on six activists, cancels passports of seven others.