Colombian President Gustavo Petro has reversed his support for the July presidential election in neighboring Venezuela, calling the vote a "mistake."

BOGOTA, Colombia (AP) -- Colombian President Gustavo Petro, a key ally of Venezuelan President Nicolas Maduro, has reversed his support for the July presidential election in the neighboring country, calling the vote a "mistake."

Petro spoke in an interview with Brazilian news outlet Globo News, which released excerpts online that Petro's office shared Tuesday on social media.