Lula da Silva secured his fourth term as the country's president in an unlikely comeback being credited by a WhatsApp channel led by Congressman André Janones.
The channel called "Lula's Army" rapidly grew to 10.8 million followers by the second round.
BBC Brasil's João Fellet looked into the role of the community in Lula's victory.
Read more about the role WhatsApp played in the election.
The Venezuelan opposition leader spent more than 10 months in exile after escaping the country on a speedboat.
The mother of two Australian surfers murdered in Mexico two years ago with their American friend said "accountability matters".
The 13-month-old small canine is equipped with protective gear and a camera, and is being trained for search-and-rescue missions.
The BBC's Courtney Sargent explains how El Niño could have rapidly turned Hurricane Polo into one of the Pacific season's most powerful storms.
Thousands of turtles arrived at La Escobilla beach in Oaxaca within 48 hours, sanctuary officials said.
The burial site of the ancient pre-Incan Chimu culture was found largely intact.
Security camera footage shows a supermarket employee racing into action as a toddler runs towards moving traffic in Puebla, Mexico.
Young people across Latin America are taking part in the contests where participants compete to prove who has the most charisma.
The men, aged 53 and 32, lost contact with their fishing cooperative on 14 August, 75 miles off the coast of Mexico.
Most deaths from the magnitude-7.4 quake were reported in Cali, Colombia’s third-most populous city, as crews search collapsed buildings for those still trapped.
At least 169 people are dead and a state of emergency has been declared after Colombia was hit by one of its largest earthquakes in years.
At least 111 people have been killed and dozens more injured after the 7.4 temblor hit the western part of the country, according to local officials.
A powerful earthquake has caused significant damage in western Colombia.
The head of the football governing body has faced multiple calls to quit after his aborted attempt to sell private stakes in the World Cup.
The Fuego volcano is located near Escuintla, Chimaltenango, and Sacatepéquez.
The record-breaking row of traditional sandwiches was assembled during Torta Fair, an annual food festival celebrating one of Mexico's most popular street foods.
Orla Guerin speaks to a gang leader about violence, drugs and infiltrating the police.
