UK warns Hong Kong security law critics of extradition risk posed by China

Activist Bill Browder warns of global reach of controversial law after being contacted by Foreign Office

Britain has warned some Hong Kong critics in the UK about travelling abroad, according to high-profile human rights advocate Bill Browder, highlighting concerns about the cross-border reach of the Chinese region's national security law.

Browder, a well-known lobbyist for the use of sanctions against foreign governments involved in human rights abuses, said he was contacted by the UK Foreign Office earlier this month after he was named in a Hong Kong court during a foreign collusion case.