With less than a week before leaving the White House, President Joe Biden on Wednesday again shielded Hong Kongers who stay in the United States beyond the expiration of their visas from deportation.

Outgoing US president Joe Biden has extended a programme allowing Hong Kong residents in the country to stay beyond the expiry of their visas by another two years, just weeks before the scheme was due to come to an end.

The Biden administration has issued new restrictions on the export of US-developed computer chips that power artificial intelligence (AI) systems, in a final effort to prevent rivals like China from accessing the advanced technology,

The US unveiled a fresh round of regulations aimed at keeping advanced chips produced by Taiwan Semiconductor Manufacturing Co. and other companies from making their way to China, one last attempt by the Biden administration to fill holes in the tech blockade of its geopolitical rival.