Gov. Sergio Cabral Filho has formally requested that the army intervene to contain the violence that has been spiraling out of control in Rio de Janeiro.
Argentina's First Lady Senator Cristina Fernandez called for dialogue and perseverance in the struggle to recover the Malvinas/Falklands sovereignty and asked for honor and respect for those who fought in the 1982 South Atlantic conflict.
The Argentine government renewed on Tuesday its call to the United Kingdom for a resumption of dialogue on the Falkland Islands sovereignty. The occasion was the official launching of the web site of the Malvinas Parliamentary Observatory which functions in the Argentine Congress Lower House.
The beleaguered governor of the Patagonian province of Neuquén Jorge Sobisch reshuffled on Tuesday his cabinet and decapitated the provincial police force following last week's death of a teacher during street protests which on Monday forced Argentina to an almost standstill.
Uruguayan president Tabare Vazquez currently visiting Chile said that the pulp mills conflict with Argentina remains unchanged as far as Uruguay is concerned because we won't negotiate until the bridges blockades are definitively lifted.
Bolivia opened a new front this week in its fight to reduce illegal coca production, sending United States backed eradication teams into a traditional coca-growing region in the Andean foothills long avoided by previous governments.
China's state media announced Wednesday the country's authorities are planning an overhaul of policies favouring the export sector in an effort to rein in its huge trade surplus and reduce tensions with major trading partners.
US President George W Bush has again stressed the need for agreement in Washington on immigration reform.
Visiting a border post in Arizona, Mr Bush said the US needed a system that secured its frontiers while honouring its history as a nation of immigrants.
The Ministry of Defence is looking for a private company to clear the Falklands of the estimated 25,000 Argentine mines still buried there, The Daily Telegraph has learned.
Following the thwarted nationalist march that took place close to the border between Chile and Peru last week, Peruvian President Alan García gave the first clear signal this weekend that Peru will take the long-standing maritime border issue to the International Court of Justice in The Hague.