A member of the British Olympic team was held up at gunpoint in Rio after spending the night out, according to a report from The Guardian.
The unidentified athlete was reportedly "shocked" but unhurt.
The incident prompted the Great Britain track and field team to send an email to its athletes on Wednesday, warning them to avoid traveling by taxi after dark.
“Avoid leaving the village after dark in anything other than British Olympic Association/Local Organising Committee/UK Athletics transport – taxis cannot be considered safe late at night. If you are planning on going out after dark and have no way of returning other than via taxi, do not go out," the letter said.
British athletes were also told they must attend a British Olympic Association safety briefing after they finish competing in Rio.
“This is absolutely essential – there are no excuses for not attending. If you can't make the morning after you finish, go the morning after that – this is for your own safety," the letter said.
Security for the athletes has been a main concern from the outset of the Rio Games and heightened after swimmer Ryan Lochte and three other American teammates said they were held up at gunpoint by robbers last weekend.
Brazilian authorities continue to investigate those claims after pulling two of those athletes off their plane which was bound for the United States.
“Rio is NOT a safe environment, and the level of crime has spiked in the last few days,” the letter adds. “Think very carefully about whether it is worth the risk of leaving the village to celebrate after you have finished competing – BOA/UKA staff cannot guarantee your safety when away from the village/British School/British House. Our strong advice is that it is simply not worth the risk given the current climate in Rio.”
- Scooby Axson