The daughter of disgraced president Alberto Fujimori is declared winner of tight race nearly a month after voting took place.
The celebrations in the US capital will feature 850,000 fireworks, a "really long" speech from the president and scorching temperatures.
The couple tied the knot in a star-studded ceremony officiated by comedian Adam Sandler at Madison Square Garden.
More than 165 million people are enduring dangerous heat and humidity, with temperatures expected to stay at 38C (100F) for several days.
The star-studded celebration saw several streets in Midtown Manhattan shut, as hordes of fans gathered outside the arena.
It was the bash of the century, with celebrities from singer Benson Boone and actor Hugh Grant to model Gigi Hadid and actor Ethan Hawke in attendence.
Temperature records were smashed in June - and scientists warn this is a sign of things to come.
West Bengal's move to replace eggs in some school meals has sparked a wider debate over nutrition and choice.
West Bengal's move to replace eggs in some school meals has sparked a wider debate over nutrition and choice.
More than 2,000 primary schools are facing closure as enrolment numbers plummet.
Flamingos have become a national symbol of protest, triggered by opposition to a luxury development.
Flamingos have become a national symbol of protest, triggered by opposition to a luxury development.
The disaster has overwhelmed local services, with bodies put outside or in tents for identification.
The disaster has overwhelmed local services, with bodies put outside or in tents for identification.
More than 165 million people were sweltering on Friday under record temperatures along the US East Coast and Midwest, according to the US National Weather Service.
Tusk says Poland is preparing for "various" scenarios after media reports of a planned Russian attack.
Tusk says Poland is preparing for "various" scenarios after media reports of a planned Russian attack.
Former President Zuma's trip to India reignites anger over a decade-old corruption scandal.
Lam Wing-kee, who defied China by selling material critical of Beijing, passed away after battling lung cancer.
Former President Zuma's trip to India reignites anger over a decade-old corruption scandal.
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