• Fish carcasses litter the Jacarepagua lagoon shore in front of Olympic Park, in Rio de Janeiro, Brazil, Saturday, Aug. 29, 2015. Thousands of tilapia, sea bass and mullets started washing up Friday. Brazilian environmentalist and biologist Mario Moscatelli says the fish most likely died because of insufficient oxygen due to pollutants and untreated human waste flowing into the lagoon from nearby condominiums and sprawling shantytowns. (AP Photo/Silvia Izquierdo)

    Activist: thousands of fish dead near Olympic Park in Brazil

    RIO DE JANEIRO (AP) — Brazilian environmentalist and biologist Mario Moscatelli says sewage has killed at least a ton of fish in a lagoon next to the Olympic Park that will host many Rio 2016 events.

    Updated: 1:33 pm

  • Athletes from the Nacra 17 Mixed Multihull class return to Flamengo beach after competing in a sailing test event for the Rio 2016 Olympic Games in Guanabara Bay, Rio de Janeiro, Brazil, Wednesday, Aug. 19, 2015. Much of the focus at the Olympic sailing test event has been on Rio's polluted waters. Athletes have little choice but to compete with local organizers declining to move to cleaner venues for next year's first Olympics in South America. (AP Photo/Leo Correa)

    Sailing chief: Rio events could be moved from polluted bay

    RIO DE JANEIRO (AP) — The head of sailing’s governing body threatened Saturday to move all Olympic sailing events out of polluted Guanabara Bay unless the water is cleaner and floating rubbish is removed for next year’s Rio Games.