A Hong Kong court postponed media mogul Jimmy Lai's trial on Friday, citing his need for a heart monitor -- the second delay this week in the democracy campaigner's national security case.The Hong Kong government said Wednesday it "strongly disapproved and rejected the slanderous remarks made by external forces" regarding Lai's case.

Lai, who has been charged under a Beijing-backed law critics say has been used to crack down on dissent, will be back in court on Monday.

A court in Hong Kong adjourned a national security trial hearing of media mogul Jimmy Lai on Friday due to concerns about his health after his defense said he had been experiencing heart palpitations.