HONG KONG—Beijing plans to vest itself with important powers to implement national stability in Hong Kong, proposing a legislation that would enable the central governing administration to supervise the policing of subversive pursuits in the protest-racked metropolis and, in some cases, intervene immediately.
Condition media on Saturday disclosed aspects of the proposed national-stability legislation for Hong Kong, which opposition groups and international governments such as the U.S. have criticized as gravely undercutting the city’s promised autonomy from Beijing. Senior Chinese…