Greece's prime minister faces protests this week over a bill that must pass for the country to receive a fresh tranche of EU-IMF aid.
The United States said Tuesday it was "cautiously encouraged" by a timeline proposed by Egypt's interim rulers for elections to replace ousted Islamist president Mohamed Morsi.
Brazil's social turmoil over poor public services and endemic political corruption appears to have abated but could flare again during Pope Francis' visit later this month.
Five people died as protesters flooded Egypt's streets calling for Islamist President Mohamed Morsi to step down.
Brazilian President Dilma Rousseff on Friday raced to build support for reforms in response to nationwide protests as the head of world football hailed the Brazil-hosted Confederations Cup as the "best ever."
An angry crowd of Bulgarian demonstrators, some throwing eggs and tomatoes, blockaded parliament on Wednesday on the 13th straight day of anti-government protests.
Turkish police used tear gas, rubber bullets and water cannon as they dispersed several thousand demonstrators who had gathered anew in central Istanbul in the latest flare-up of protests.
A new wave of street protests swept Brazil on Sunday amid mounting popular support for demands for wide-ranging institutional reform and investment in crumbling public services.
Embattled president Dilma Rousseff admitted in a televised address that Brazil can do better and pledged to do more to fight corruption.
Brazil's two biggest cities on Wednesday rolled back transit fare hikes that had triggered massive protests as demonstrators clashed with police outside a Confederations Cup match.
Brazil's President Dilma Rousseff tried to get ahead of a wave of popular protest Tuesday, vowing to listen to the complaints of youths angered by the cost of staging the World Cup.
Turkey warned on Monday it may bring in the army to help quell nearly three weeks of nationwide anti-government protests as two major union federations went on strike over police violence against demonstrators.
Turkish Prime Minister Recep Tayyip Erdogan on Sunday told a crowd of more than 100,000 supporters it was his "duty" to order a crackdown on an Istanbul protest park.
Thousands of people protested in Bulgaria for a third day on Sunday in a show of anger against the government.
Thousands of protesters are expected on the streets of Belfast to urge G8 leaders to act on global poverty, although the issue looks likely to be overshadowed by concerns over the Syria conflict.
Russia's top opposition figure Alexei Navalny faced the uphill battle of getting on the ballot for Moscow mayor on Saturday after being nominated for the post by other leaders of the country's nascent protest movement.
Thousands of youths clashed with riot police across central Sao Paulo late Thursday in a fresh round of rowdy protests over higher mass transit fares.
Turkish protest leaders went into emergency talks with Prime Minister Recep Tayyip Erdogan on Thursday.
Turkish Prime Minister Recep Tayyip Erdogan said he would consider holding a referendum on plans to redevelop an Istanbul park that have sparked nationwide protests.
An uneasy calm returned to Istanbul's protest square early Wednesday after running clashes between riot police and protesters.