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.

Jailed Hong Kong media tycoon Jimmy Lai has denied at his national security trial that he requested Washington, via a senior US adviser, to sanction China after the Beijing-imposed security law came into effect five years ago.

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

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.