Less than six months after Rio de Janeiro hosted the first-ever Olympics in South America, game venues sit idle and already in disrepair, raising questions about a legacy that organisers promised would benefit the Brazilian city and its residents.

Twenty-eight athletes have been suspended over historic doping offences, the International Association of Athletics Federations announced last night.

The world of athletics has found itself in a precarious position. During the outdoor season, I had a sense there was an elephant in the room and wondered at what point is it going to be discussed, writes Derval O'Rourke.