The Organisation of American States said Honduras should re-run the election, citing "deliberate human intrusions into the computer system, intentional elimination of digital traces" and opened ballot boxes.
Hilda Hernandez, sister of Honduras's President Juan Orlando Hernandez, and five other people were killed when the helicopter they were travelling in crashed.
Israeli police troopers shot a man wearing what looked like a suicide bomb vest after he stabbed an officer near the Palestinian city of Ramallah in the West Bank.
IBTimes UK looks back at how the fight to rid Iraq and Syria of the jihadists played out across the year, in 100 powerful photos.
Cory Iverson, 32, was an engineer with a state fire engine strike team based in San Diego and is survived by his pregnant wife and a two-year-old daughter.
A smoking panda, a chimpanzee picking its nose and lots of Trump impersonators feature in our round-up of the year's most amusing pictures.
Australian photojournalist Ted McDonnell documents life in Happyland, a ramshackle collection of shelters built around a rubbish dump outside Manila.
The reporters had been working on stories about Mynamar's military crackdown on the Rohingya Muslim minority that has caused almost 650,000 people to flee to Bangladesh.
Our 2017 gallery kicks off with Barack Obama shedding a tear and ends with his successor inflaming the Middle East.
China is marking the 80th anniversary of the Nanjing Massacre in which it says Japanese troops killed 300,000 people.
Stunning wildlife, aerial, landscape and underwater photos in National Geographic's Nature Photographer of the Year contest.
The Art of Building photography competition finalists include an atmospheric French theatre and a bell tower that looks like an eye.
Reuters photojournalists tell the stories behind some of 2017's most memorable news images, and discuss their impact, both on the world and on themselves.
The Thomas Fire grew by 56,000 acres on Sunday and is now just 10 percent contained, down from 15 percent the day before.
Heavy snow led to travel disruptions, traffic accidents and school closures – as well as snowman building, sledging and a flurry of pretty pictures