Hundreds rallied night in the frigid cold proclaiming "I am Charlie" in solidarity with those killed in a deadly attack on French magazine Charlie Hebdo.
New York Mayor and police commissioner Bill Bratton criticized dozens of officers for turning their backs on the mayor at the funeral of a murdered policeman.
Hungarians protested at what they see as the country's move towards Russia in the latest demonstration against the government of controversial Prime Minister Viktor Orban.
More than 2,000 people have fled their homes in the restive Indian state of Assam after separatist rebels killed dozens of villagers, some of them children.
Hong Kong police said they had arrested a dozen pro-democracy protesters after a night of clashes in the first sizeable rally since the last protest camp was cleared last week.
Israeli air planes struck targets in the southern Gaza Strip, witnesses and the army said, hours after a rocket from the Palestinian enclave hit the Jewish state.
Dozens of protesting students vandalized an SUV carrying the mayor of the Mexican coastal city of Acapulco, demanding justice over the presumed murder of 43 classmates
Pakistani forces killed 27 suspected militants in air strikes and a ground operation in the restive northwest hours after a roadside bomb killed three soldiers.
Rush-hour traffic streamed through the heart of Hong Kong for the first time in more than two months after police cleared the city's main pro-democracy protest camp.
Fast-food workers and others in low-pay jobs launched one-day strikes and protests across the United States demanding a $15 an hour minimum wage and union rights.