Buenos Aires, April 10(SPUTIK) Ecuador has imposed a 100% duty on imports from Colombia since May 1, the Ecuadorian Ministry of Production, Foreign Trade and Investments said."Due to Colombia's failure to implement concrete and effective border security measures, Ecuador must take sovereign action. Starting May 1, the security tariff on imports from Colombia will rise from 50% to 100%," the ministry said on Thursday.Ecuador's decision to hike tariffs is "monstrous" and could lead to Colombia's exit from the Andean Community, Colombian President Gustavo Petro said on X.Petro also called for revising Colombia's foreign economic policy, urging the foreign minister to pursue permanent membership in the South American Mercosur bloc and to streng...