Australians report theft

Team shirts and a laptop computer belonging to a cycling official have been stolen from the Australian building in the athletes' village at the Rio Olympics, team chief Kitty Chiller said on Sunday.

She said three unidentified people were seen walking away with team shirts during an evacuation after a basement fire on Friday while the laptop was taken from a room on the fifth floor.

"That is concerning," she told a news conference, adding that the security presence had since been increased with four private guards on the entrance doors and more noticeable identity checks.

"When you have got 15,000 beds, there are a lot of people walking around the village. I'm not accusing anybody but there are a lot of non-accredited workers, cleaners, housekeepers, maintenance workers still walking around.

"Unfortunately, in an area of that size with the number of buildings and rooms that there are, theft is going to be inevitable."

Asked about safety implications, at a time of heightened concern about potential terror attacks, Chiller said nobody felt unsafe but all team members had been reminded to keep doors locked and valuables secure.

Rio 2016 spokesman Mario Andrada said security had been tightened.

"When the task force was still working to finish the buildings there were more people circulating in the village. No-one can enter the village now without the proper screening, background checks and accreditation," he said.

The theft is the latest in a string of incidents affecting the Australians, their woes perhaps highlighted by the team holding daily briefings where others have not.

Chiller complained last weekend about exposed wiring and blocked toilets, saying the accommodation was "not safe or ready" for athletes who were put up in hotels while contractors rectified matters.

The basement fire was blamed on a cigarette discarded into debris left after the repairs.