The final arguments in prominent Hong Kong activist Jimmy Lai’s national security trial have been postponed after his lawyer said he experienced heart palpitations and the judges wanted him to receive medical treatment first.

The closing submissions in a national security trial against Hong Kong pro-democracy businessman Jimmy Lai were delayed on Friday after his lawyer said he had suffered heart palpitations. The closing submissions will recommence on Monday after the court adjourned to allow Lai,

The trial of Jimmy Lai, Hong Kong media mogul, are postponed for a few days due to issues with the 77-year-old's heart. Closing arguments are set for Monday.