Armenian authorities launched a criminal investigation into police officers involved in a brutal crackdown on demonstrators protesting against electricity price hikes.
The British government cautioned Sunday that other attacks "are possible" in Tunisia as Queen Elizabeth II sent condolences to that relatives of victims.
Most of those killed in a massacre at a Tunisian beach resort claimed by the Islamic State group were British, the Tunisian Prime Minister Habib Essid said.
Rallies in the Armenian capital against electricity price hikes and police violence entered the seventh day with protesters adamant they will not back down.
A member of punk protest group Pussy Riot and a fellow activist were arrested at a demonstration in Moscow demanding better conditions for women held in Russian prisons.
At least 10 people were injured and 25 arrested in Kiev as scuffles broke out between members of a rare Ukrainian gay pride march and their nationalist foes.
Several hundred protesters gathered in Brasilia to demand the impeachment of President Dilma Rousseff after they completed a 1,000-kilometer (650-mile) march on the capital.
The EU urged Burundi's government to prosecute the killers of an opposition leader and prevent the violence in the central African country from worsening.
Air France will continue to transport live monkeys for laboratory testing, the airline's CEO Alexandre de Juniac said at an Air-France-KLM shareholders' meeting held.
Thousands of people, many waving rainbow-colored flags, gathered in Santiago for a "March for Equality," pushing for Chile to acknowledge more gay rights.
Baltimore lifted a curfew that was imposed across the US East Coast city following widespread riots, as thousands of National Guard troops began to pull out.
Several hundred people protested in New York demanding police reform and justice for the African-American man who died from injuries sustained in custody in Baltimore.
Bare-chested Femen activists making Nazi salutes disrupted a speech by France's far-right leader Marine Le Pen at her National Front party's traditional May 1 rally in Paris.
National Guard troops patrolled the tense streets of Baltimore in large numbers in anticipation of a fresh large-scale protest over the death of a young African-American man in police custody.