The Hong Kong authorities have cancelled the passports of six “wanted” self-exiled activists in the UK, including Nathan Law, exercising new powers under the newly-enacted security law for the first time. Under the new Article 23 security law, the security chief also applied the special measures against Mung Siu-tat, Finn Lau, Simon Cheng, Fok Ka-chi and Choi Ming-da. The six were put on the wanted list last July and December. “These lawless wanted criminals are hiding in the United Kingdom and continue to blatantly engage in activities that endanger national security,” a government spokespers…