FIFA Secretary General Jerome Valcke expressed his concern about three of the 12 World Cup stadiums as he ended his final inspection of host cities.
After a two-week trip across Brazil for a last check on preparations, Valcke sent warnings to organizers in Natal, Porto Alegre and Sao Paulo, which will host the World Cup's opening match in two weeks.
He said he was pleased with the work underway in the other nine host cities, including Curitiba, which earlier this year was nearly excluded from the tournament because of chronic delays.
Valcke's final stop was in the northeastern city of Salvador, where he said there was ''no time to waste'' but praised the commitment of local organizers to make sure everything will be ready in time.
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