The first batch of individuals jailed in the landmark Hong Kong national security trial of “47 democrats” accused of conspiracy to commit subversion was freed on Tuesday after being behind bars for more than four years.

Four former Hong Kong lawmakers have been released after spending more than four years in prison for their conviction under a Beijing-imposed law that crushed a once-thriving pro-democracy movement.

Hong Kong has released four former opposition lawmakers who were among dozens of pro-democracy leaders jailed under the city's controversial National Security Law (NSL). The four - Claudia Mo, Kwok Ka-ki,