The U.S. Treasury on Wednesday prohibited certain transactions with Mexico-based financial institutions CIBanco, Intercam Banco and Vector Casa de Bolsa as part of its new fentanyl sanctions.

The U.S. Treasury found ties between drug cartels and the Mexican companies, including a brokerage firm controlled by a former chief of staff of Andrés Manuel López Obrador.

(Reuters) -The U.S. Treasury on Wednesday prohibited certain transactions involving Mexico-based CIBanco, Intercam Banco, and Vector Casa de Bolsa as part of its fentanyl sanctions.