Hong Kong's leader warned Tuesday that violence will not be tolerated, a day after authorities arrested 10 people and seized suspected explosives ahead of a crucial vote on a China-backed electoral reform package this week.
Security has been stepped up across the Chinese-ruled city, including at government buildings and train stations, as it braces for a fresh showdown over plans for how its next leader is elected in 2017.
Authorities are taking no chances after mass pro-democracy protests crippled parts of the former British colony late last year and presented China's Communist Party leadership with one of its biggest political challenges in decades.