WASHINGTON — The Trump administration imposed sanctions Friday on Colombian President Gustavo Petro, his family and a member of his government over accusations of involvement in the global drug trade, sharply escalating tensions with the leftist leader of one of the closest U.S. allies in South America.

The Treasury Department leveled the penalties against Petro; his wife, Veronica del Socorro Alcocer Garcia; his son, Nicolas Fernando Petro Burgos; and Colombian Interior Minister Armando Alberto Benedetti.

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Petro "has allowed drug cartels to flourish and refused to stop this activity," Treasury Secretary Scott Bessent said in a statement. "President Trump is taking strong action to protect our

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