The chief organizer of the Rio de Janeiro Olympics says security is his top concern, well ahead of the Zika virus.

Sidney Levy, CEO of the Rio Organizing Committee, said Tuesday the plan is to have 85,000 security personnel on the streets to keep athletes and visitors from harm. He calls the biggest fear a lone wolf attacker.

Speaking at a Council of the Americas event, Levy says Zika is not among his top 10 concerns for the games, which are set for Aug. 5-21. He says Brazilians are not worried about Zika although he acknowledges the rest of the world is.

Levy says Rio has "failed" on its promise of cleaning 80 percent of the water. He says the project is only half complete and four of the five sites on the bay will not pose any problems.


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