China Reveals Key Powers in Hong Kong National-Security Law

HONG KONG—Beijing plans to vest alone with vital powers to enforce countrywide protection in Hong Kong, proposing a law that would let the central governing administration to supervise the policing of subversive pursuits in the protest-racked metropolis and, in some conditions, intervene instantly.

State media on Saturday disclosed aspects of the proposed countrywide-protection law for Hong Kong, which opposition groups and overseas governments together with the U.S. have criticized as gravely undercutting the city’s promised autonomy from Beijing. Senior Chinese…