The left-wing senator and far-right newcomer will face each other in a runoff on June 21, with security a top issue.
Rivera spent nearly three years in detention, cut off from the outside world, leading advocates to fear for his welfare.
South Korea is using AI-powered companion dolls to help tackle loneliness in its ageing population
New Jersey orders curfew after immigration protests escalate.
Four years after the formal end of Ethiopia's Tigray war, Ethiopians will be voting in general elections.
Having never previously won the Indian Premier League, Virat Kohli seals consecutive titles as Gujarat Titansn defeated.
Continuing internal conflicts and deepening repression are casting a long shadow over the general election.
A national vote alone can't address all challenges in the country, but it can be a step toward democratic consolidation.
New Jersey Governor Mikie Sherrill has called for the establishment of protest zones to minimise clashes with police.
Ethiopia's governing party is seeking to cement its grip on power amid a fragmented electorate.