Colombian President Gustavo Petro has announced the expulsion of all remaining Israeli diplomats following the interception of the Gaza flotilla by the Israeli Navy.

Petro's office said two Colombian nationals were among those aboard the seized boats and demanded their immediate release.

The Colombians were "engaged in humanitarian activities in solidarity with Palestine," Petro wrote on X on Wednesday, adding that a free trade agreement with Israel is also being suspended.

The flotilla, which departed from Spain last month, carried activists from more than 40 countries, including Swedish climate campaigner Greta Thunberg, who was among those detained after Israel intercepted several boats on Wednesday evening.

Israeli officials described the flotilla as a "provocation" aimed not at delivering aid but assisting Hamas.

The operation drew international condemnation and sparked protests in several countries.

Last week, the US revoked Petro's visa after he called on American soldiers to "disobey" President Donald Trump's orders. He made the remarks while attending the UN General Assembly session in New York.

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The Israeli foreign ministry confirmed that several vessels from the flotilla had been safely stopped by Israeli forces. Israeli authorities stated that all passengers from the intercepted flotilla were being transported to an Israeli port.

A source at the Israeli consulate in Bogotá revealed that four diplomats had remained in Colombia despite Petro severing relations with Israel last year.

Petro declared the expulsion of Israel's entire diplomatic delegation through a post on social media platform X. He described Israel's flotilla interception as a new international crime by Prime Minister Benjamin Netanyahu.

Petro has emerged as one of Netanyahu's most vocal international critics, repeatedly describing the Israeli leader as genocidal. He has similarly condemned US President Donald Trump as an accomplice to genocide in Gaza.