The son of prominent Hong Kong former publisher Jimmy Lai, who is facing possible life imprisonment in the Chinese city, has called for his father’s release in a high-profile national security case.

Hopes for the release of detained Hong Kong media tycoon Jimmy Lai are higher following U.S. President Donald Trump's return to office, Lai's son said on Tuesday in Washington, where he and advocates plan to meet Trump administration officials.

The son of jailed Hong Kong media mogul Jimmy Lai has called for an urgent meeting with Britain's Prime Minister Keir Starmer, saying he was "desperate" as his father's defence drew to a close in a high-profile trial.

HK media tycoon Jimmy Lai has denied in his national security trial that he asked the US to sanction China after the national security law came into effect.

Hong Kong media tycoon and pro-democracy advocate Jimmy Lai finished testifying in court on Thursday in a landmark national security trial where he stands accused of colluding with foreign forces and sedition.

Hopes for the release of Hong Kong media tycoon Jimmy Lai have surged following U.S. President Donald Trumps return to office, according to Lais son, Sebastien, who spoke in Washington. Lai, founder of the

Admission contradicts previous denial that he had deliberately concealed his intended meeting with then US No 2 official Mike Pence.