The executive orders signed by Donald Trump, which have been deemed vague by experts, will take effect in 45 days.
The US President's comments come after Microsoft confirmed it was in talks with the video app's owner, China's ByteDance.
The US president said he would ban the popular video app which has been a source of national security and censorship concerns.
Beijing's new law was introduced on July 1. It criminalises subversion, secession and collusion with foreign forces.
Hong Kong was seen as a success story for how it controlled the outbreak at the beginning of the year, which was helped by the public embracing face masks and an efficient track and trace programme.
Fusion is a nuclear reaction that powers the Sun and the stars and is a potential source of safe, non-carbon emitting and virtually limitless energy.
The United Nations Secretary General delivered a powerful speech to students at a university in China.
The US consulate in Chengdu was taken over by Chinese authorities after the Trump administration ordered the closure of the Chinese consulate in Houston.
Nokia and Ericsson can replace Huawei if the Chinese tech giant were to be sidelined for security reasons, the European Commission said on Friday.
Thrillseekers lie horizontally and are swung over a cliff in the Chongqing municipality, reaching speeds of 130kmph. The rainbow-coloured huge frame has been officially certified by the Guinness World Records and it has now opened after COVID-19 pandemic restrictions delayed its launch.
A Singaporean man pleaded guilty in the US to working as a foreign agent for China, as diplomatic tensions between Washington and Beijing escalate in a tit-for-tat consulate closure.
Dr Tedros said such allegations are "untrue and unacceptable" and warned against politicising the coronavirus pandemic.
As the Arctic ice sheet melts, the United States, Russia and China are racing for a share of the region’s energy and mineral resources.
China launched a rover and orbiter on Thursday in an attempt to join the United States in successfully landing a spacecraft on Mars.
Faced with stiff punishments under Beijing's new security law, Hong Kong protesters are finding creative ways to circumvent the new reality.
Amid deteriorating relations with China, the UK's foreign minister announced a suspension of the country's extradition treaty with its former colony, Hong Kong.
Critics blame the disaster on rampant overdevelopment and poor water conservancies policies.
Banned by America and now ditched by the UK, Chinese tech giant Huawei is under fire across the globe. How will the rest of Europe react?
The flag is absent from the Foreign Ministry's website under Germany's "One China policy", a decision Taiwan says it is "unable to accept".
Donald Trump has signed an order to end preferential treatment for the former British colony after China imposed a new security law on Hong Kong but Beijing has threatened retaliation.
Japan has accused China of "disinformation" about the coronavirus and expressed "deep concern" about its claims in the South China Sea and the disputed Senkaku islands.
Returning to Brussels for the first face-to-face meeting in months, EU foreign ministers are being urged to take a more robust approach to China over the new security law in Hong Kong, as well as against Ankara over Mediterranean drillings and the Libya arms embargo.
"China's malign foreign influence campaign targets our policies, our positions, 24/7, 365 days a year," FBI boss Christopher Wray said on Tuesday.
After one person was confirmed to have contracted the bubonic plague, is there really cause for concern?
It is the latest social media platform to take action after China's crackdown on pro-independence activities.
Trust in the US has fallen in the EU while negativity towards China has increased, leading many to call on the bloc to take a more unified response to global threats.