Jair Bolsonaro was sworn in as Brazil's president on Tuesday. The leaders of Cuba and Venezuela were not invited to the inauguration ceremony in the capital Brazilia.
The US government will remain partially shut down into the New Year, as Congress wrapped up the last day of 2018 without holding substantial talks on spending bills.
A Turkish TV station has broadcast footage showing men carrying what is purportedly the remains of journalist Jamal Khashoggi to the Saudi consul-general's residence in Istanbul.
More than 100,000 spectators are expected to descend on central London to watch New Year's Eve fireworks display Monday night, according to local media reports.
