Federal prosecutors in New York are investigating Colombian President Gustavo Petro over alleged ties to drug traffickers, according to people familiar with the matter. The inquiry is being handled by prosecutors in Brooklyn and Manhattan, who have questioned narcotraffickers about possible connections to Petro and his representatives.

Investigators are examining allegations that intermediaries sought bribes or campaign donations from jailed traffickers in exchange for promises to block their extradition to the United States. It remains unclear whether Petro himself has been implicated in any crime, and officials say the investigation is still in its early stages.

Petro, a former rebel leader who rose to power on promises to tackle poverty and shift Colombia away from fossil fuels, has had a turbulent relationship with President Donald Trump. Despite past tensions over migration and foreign policy, the two leaders have recently shown signs of improved relations following a meeting at the White House.