Concern grows as Venezuela blocks election observers

Supporters of Venezuelan President Nicolas Maduro attend at a campaign rally in the Catia neighborhood of Caracas, Venezuela, July 18, 2024. Presidential candidate Edmundo Gonzalez, center, and opposition leader Maria Corina Machado, center right, greet supporters during a campaign rally in Maracaibo, Venezuela, July 23, 2024.

Concerns grew Friday over the fairness of Venezuela's presidential elections as Caracas was accused of blocking international observers from arriving for the Sunday vote, including a delegation of ex-presidents.