Hong Kong has found 14 pro-democracy activists guilty of subversion in the largest use yet of a China-imposed National Security Law. They were among the 47 activists charged with trying to "overthrow" the government by organising an unofficial primary in 2020 to pick candidates who can run for office.

Also in the programme: Will a US pharmaceutical company allow a low-cost version of its powerful new HIV drug for use in the developing world? And the lost Beatles guitar that has sold for millions.

(Photo: Kalvin Ho Kai-ming arrives at the West Kowloon Magistrates' Courts building ahead of the verdict into charges of subverting the National Security Law. Credit:Tyrone Siu/Reuters)