Wyre Davies

What have the Games done for Rio?

Dilma's downfall: Betrayal yes, but no coup

Has the Olympics been a success for Brazil?

Is Brazil ready for Rio 2016?

Violence seeps back into Rio's favelas

Brazil's indigenous leaders risk their lives fighting for survival

Rio Olympics: The trouble with Aedes aegypti

Venezuela: Maduro evokes spectre of foreign threat

Rousseff the fighter battles on

'Wronged and betrayed' Rousseff defends her record

Brazil crisis: There may be bigger threats than Rousseff's removal

Indigenous community in Peru suffers after oil spill

Brazil's race to find a Zika vaccine

Venezuela elections: Why did Maduro's Socialists lose?

Venezuela vote: Oil row may damage President Maduro

Argentina's Macri faces no shortage of challenges

Argentina election: Sorrow and surprise

Argentina elections: There may be trouble ahead

Rio de Janeiro: Beguiling, beautiful and brutal

The refugees who chose Brazil over Europe

Rousseff's woes worsen as Brazil's protesters smell blood

2016 Olympics organisers hope for post-Games Rio revival

Organised crime threatens Brazil's Amazon