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

WASHINGTON (Reuters) - 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.

China's Hong Kong and Macau Affairs Office (HKMAO) reposted a commentary criticising CK Hutchison's port deal with U.S. firm BlackRock as a betrayal of China, sending shares of the Hong Kong-based conglomerate sharply lower on Friday.

Shares in Hong Kong-based conglomerate CK Hutchison fell 5 per cent on Friday after China criticised the sale of its Panama Canal ports and said it should “think twice” about the $22.8bn deal with US asset manager BlackRock.

China’s top office on Hong Kong issues reposted a sharp attack on CK Hutchison Holdings Ltd. for agreeing to sell a controlling stake in Panama ports, warning companies to be very careful about which “side they should stand on.