A red ribbon is displayed on the Paris City Hall in support of the fight against AIDS on World AIDS Day on Dec.1. Charles Platiau/Reuters
People gather to light candles during events for World Aids Day outside of the municipality at Eleftheria square in divided capital Nicosia, Cyprus on Dec. 1. Petros Karadjias/AP
People light candles for AIDS victims during an AIDS awareness event marking the World AIDS Day at Sergels Torg square in Stockholm, Sweden on Dec. 1. Janerik Henriksson/Scanpix/Reuters
A man holds a free condom taken from a signboard promoting HIV/AIDS awareness during World AIDS Day in Athens, Greece on Dec. 1. Yiorgos Karahalis/Reuters
Students form a red ribbon during an HIV/AIDS awareness rally on World AIDS Day at Marina beach in the southern Indian city of Chennai on Dec. 1. Babu/Reuters
An artist takes part in a HIV/AIDS awareness rally on World AIDS day in central Istanbul, Turkey on Dec. 1. Murad Sezer/Reuters
Activists form AIDS red ribbons during a HIV/AIDS awareness rally on World AIDS day in central Istanbul, Turkey on Dec. 1. Murad Sezer/Reuters
Health workers and students release balloons after they staged a march through the Philippine capital to spread awareness about AIDS during the World AIDS day in Manila on Dec. 1. Cheryl Ravelo/Reuters
A child touches a dress made of condoms during an HIV/AIDS awareness campaign on World AIDS day in Yantai, China on Dec. 1. Reuters
A member of the Population and Community Development Association wears a dress and holds an umbrella made with condoms during a march marking World AIDS Day in Bangkok, Thailand on Dec. 1. Chaiwat Subprasom/Reuters
On the second day of a police operation to clear one of three Hong Kong protest zones, key student leaders were arrested while a handful of protesters faced off briefly against dozens of officers.
ByKelvin Chan, Associated Press
Police arrested key student leaders of Hong Kong's pro-democracy protests on Wednesday as they cleared barricades in one volatile district, throwing into doubt the future of a 2-month-old movement seeking free elections in the former British colony.