The Olympic diving pool turned green overnight and nobody's sure why

Problems with outdoor water quality for the Olympic games in Rio have been well documented, surely at least the indoor pools are clean, right? Well, it seems now maybe not even those are safe, as the water in the diving pool mysteriously turned green overnight. Could this be another problem for the Rio games? The work of a prankster? Perhaps even a very early St Patrick's Day celebration? Only time will tell

Full story and more photos from CBS Sports here: http://www.cbssports.com/olympics/news/look-no-one-knows-why-the-rio-olympics-diving-pool-has-mysteriously-turned-green/