Hong Kong media tycoon and pro-democracy advocate Jimmy Lai, 76, testified in court for the first time on Wednesday in his landmark national security trial, accused of endangering China's national security by colluding with foreign forces.

Former Hong Kong publisher Jimmy Lai is fighting charges of colluding with foreign forces to endanger national security and conspiring with others to issue seditious publications.

A Hong Kong court sentenced 45 pro-democracy advocates in a mass trial on Tuesday, marking the largest case yet brought under the city's draconian National Security Law. The group of legislators, opposition politicians and activists were sentenced to between 51 and 120 months Tuesday on charges of conspiracy to commit subversion of Hong Kong's National Security Law,