Who will speak out for values and rights and my fellow democracy activist now that opposition has been silenced in Hong Kong? I say Britain should

• Nathan Law is a politician and activist from Hong Kong

Waking up on Monday morning to the news of the pro-democracy activist Jimmy Lai’s 20-year prison sentence for national security offences felt surreal. I could have easily been in his position if I hadn’t fled Hong Kong right before the implementation of the notorious national security law (NSL), under which Lai has faced the harshest penalty ever given. In fact, Lai chose to stay and stand shoulder to shoulder with the people of Hong Kong in the face of an uncertain and repressive future. Now his family fears that he will die in prison.

A mix of emotions filled my mind. I was immensely disgusted by the audacity and malevolence of such punishment. This sentence has a transparently political end, but the Hong Kong and Chinese governments make no bones about it. Their sole purpose is to silence critics, and they have succeeded: civil society and domestic media, which should be the watchdogs of individual rights and government overreach, are dead silent on criticising the trial.

Nathan Law is a politician and activist from Hong Kong, and was leader of Demosistō from 2016 to 2018