Last update on. From the section OlympicsIt was not difficult to break the cardboard mattress, said Ian Chesterman, Australian chef de mission.According to the Australian Olympic committee, Australian athletes broke into their rooms in the Olympic village hotel rooms and made a hole in a wall.Officials added that some athletes displayed "unacceptable behavior" while flying home.Australia's team boss Ian Chesterman stated that no discipline action would be taken because the athletes had apologized.He said that the damage to the cardboard bed was minor and was not difficult to fix.Chesterman didn't name the athletes or the sports they represented.The Australian Olympic Committee stated that the rugby and football national governing bodies were looking into reports of rowdy behavior on a flight to Sydney last Friday.Chesterman stated that "Some young people made an error - they left the rooms in an unacceptable condition."He said, "The rooms weren't completely trashed in anyway.""It's a book as old and wise: A good young person makes mistakes, chapter two is a good young person who is full of regret."Chapter 3 is where a young person makes a mistake and learns from it to become a better person."Rugby Australia stated that it was conducting its own investigation after being told by Australian team officials about "unacceptable behaviour" by rugby and football players returning from the Olympics.It stated that Rugby Australia was made aware of incidents involving Australia's men's sevens program after it had been informed by the Australian Olympic Committee.Matt Carroll, chief executive officer of the Australian Olympic Committee, stated that there was no formal complaint against the airline, but that the "unacceptable behavior" was brought to their attention.He stated that it was "extremely disappointing" and that both the rugby and football governing bodies had told him that such behavior is not acceptable in their respective sports. They have since sincerely apologized to the Australian Olympic Team."The CEOs have committed to taking the necessary action and reporting back to us."The quarter-finals of Tokyo 2020 saw Australia's men's rugby 7s team lose to eventual winners Fiji.The group stage eliminated the men's footballers from their tournament. They are not involved in the case of the women's footballers, who are still at the Games. On Thursday, they will face the United States in a bronze-medal match.