They’ve come to be known as the Hong Kong 47. A group of prominent activists, former lawmakers and student leaders went on trial this week, accused of trying to topple the pro-Beijing government. Most of them, including Benny Tai and Joshua Wong, have been detained since their arrests two years ago.

Dozens of pro-democracy figures have been charged with "conspiracy to commit subversion" and are facing possible life sentences. Their trial opened two years after the initial arrests.

The US government has predicted that climate change will exacerbate geopolitical tensions around the world in a series of new reports. The assessments also highlight how global warming will drive mass migration.

The memoir by ex-national security adviser John Bolton portrays the president as corrupt and incompetent. The Trump administration had sought to stop its release, saying the book could spill classified information.

The national security probe will look into whether the popular video app sent user data to China, according to several reports. TikTok has denied accusations of censorship and said its data is not subject to Chinese law.

The US national security adviser has signaled a pause in planned troop withdrawals. The move abruptly announced by President Donald Trump last month was initially expected to be completed within weeks.

U.S. Vice President Mike Pence repeated comments from President Trump that an anonymous New York Times column is a national security issue.

National security - police establish school to help IED detection.

National Security - Army operationalises 17 Bridgade in Katsina.

National security - NASS to meet with security chiefs over killings.

Addressing the threats to national security.

National security - Dan-Ali advocates national unity.