HONG KONG (AP) — Flights resumed at Hong Kong's airport Wednesday after two days of disruptions marked by outbursts of violence that highlight the hardening positions of pro-democracy protesters and the authorities in the semi-autonomous Chinese city.

About three dozen protesters remained camped in the airport's arrivals area a day after a mass demonstration and frenzied mob violence forced more than 100 flight cancelations. Additional identification checks were in place, but check-in counters were open and flights appeared to be operating normally.

Protesters spread pamphlets and posters acro...