A hotel which housed International Federations during the 2016 Olympic Games is among two Rio de Janeiro-based businesses controlled by the Trump Organization under investigation as part of a Brazilian corruption probe.

Fears are rising that the subway extension linking Copacabana with Barra de Tijuca will not be ready in-time for the Olympic Games after the Rio de Janeiro State Government has been denied a loan "essential" in order to complete construction work.

"Swift action" is required to complete the Trump Hotel due to house seven International Federations in Rio de Janeiro during this year's Olympic Games.

Only a "soft opening" of the subway extension due to link the main Rio 2016 Games hub at Barra de Tijuca with the Rio de Janeiro city centre will be open during the Olympic and Paralympic Games, organisers have suggested, with the line set to be restricted to spectators with tickets and accredited personnel.

At least five trained handlers will be on site during the Olympic golf competition in Rio de Janeiro later this year in order to scare animals, including alligator-like caimans and capybaras, the world's largest rodent, away from the course.

Bob Condron, the former director of media services at the United States Olympic Committee (USOC), has been appointed as the venue press manager for golf at this year's Olympic Games in Rio de Janeiro.

Leading Brazilian players are set to compete in the Aquece Rio Golf Challenge on the Olympic Course in Rio de Janeiro, set to mark the first-time the brand new facility is tested competitively.

Public transport during Rio 2016 is set to be restricted to those holding a special Olympic Transport Card at certain key times, according to plans unveiled by the Municipal Government, meaning many locals could be unable to travel.

Rio Mayor Eduardo Paes insists there is enough money to avoid disruption at this summer's Olympic and Paralympic Games, despite facing another raft of criticisms for raising bus prices across the city.

A small fire, which may have been caused deliberately by disgruntled former workers, caused minor damage to office space in the foremost Olympic Park to be used at this summer's Games in Rio de Janeiro.

Alternative solutions will be found if the subway line at the heart of Rio 2016 does not open in time for the Olympics or Paralympics, leading adviser Gilbert Felli has claimed, although he insists that, so far as he knows, everything remains on schedule.

Concerns over the safety of those attending next year's Olympic and Paralympics in Rio de Janeiro have been revived after a series of attacks in the city over recent days, several of which took place within sight of venues to be used during the Games.