Hong Kong residents worry vague new immigration law could let China ban them from leaving

A pro-democracy protester in Hong Kong was sentenced Friday to nine years in prison, the first prosecution under Beijing's national security law. Now a new amendment to the city's immigration law takes effect Sunday that China says targets illegal refugees. But as special correspondent Richard Kimber reports, critics say the law's wording is vague and could ban residents from leaving the city. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders