A nationwide strike paralyzed Argentina's economy, shutting down air, train and bus traffic, closing businesses and ports and emptying classrooms.
Organizers of the 2016 Olympics have acknowledged there are issues to be resolved in preparing Rio de Janeiro to host the event but said on Wednesday they were making progress and would deliver a "great Games".
Police from each of the World Cup's 32 participating nations have been invited to protect fans during football's showpiece tournament in Brazil.
Cuba says the US continues to use social media to "subvert" the island's government and that last week's revelation of a US-created, Twitter-like service for Cuba was just one of several examples.
An earthquake measuring 5.3 on the Richter scale jolted 99km WSW of Iquique, Chile at 14:06:07 GMT on Sunday (22:06:07 Beijing Time), the US Geological Survey said.
A powerful 7.6-magnitude aftershock hit Chile's far-northern coast late Wednesday night, shaking the same area where a magnitude-8.2 earthquake hit just a day before causing some damage and six deaths.
Country declares inland disaster as 2.1-meter waves wash shoreline
About 300 inmates escaped from a women's prison in the northern coastal city of Iquique after the prison's power supply went down when Tuesday's tsunami hit.
There have been no reports of Chinese casualties in Chile following the 8.2-magnitude earthquake that hit the country on Tuesday, the Chinese embassy in Chile confirmed on Wednesday.
Four Chinese workers have been killed by an explosion at the construction site of the Sopladora hydroelectric station in Ecuador, the Chinese embassy has confirmed.
Chilean authorities on Wednesday were assessing the damage from a massive earthquake that struck off the northern coast, causing a small tsunami, but the impact appeared to be mostly limited.
When Tuesday's earthquake struck Chile — one of the world's most quake-prone countries — the nation's preparations helped to keep damage to a minimum, a senior embassy official said in Beijing.