WASHINGTON (AP) — The White House said Monday that a Navy admiral acted “within his authority and the law” when he ordered a second, follow-up strike on an alleged drug boat in the Caribbean Sea in a September U.S. military operation that has come under bipartisan scrutiny.

White House press secretary Karoline Leavitt offered the justification for the Sept. 2 strike after lawmakers from both parties on Sunday announced support for congressional reviews of U.S. military strikes against vessels suspected of smuggling drugs in the Caribbean Sea and eastern Pacific Ocean, citing a published report that Defense Secretary Pete Hegseth issued a verbal order for a second strike that killed survivors on the boat in that incident.

Leavitt in her comments to reporters on Monday did not dispute a Washington Post report that there were survivors after the initial strike in the incident. Her explanation came after President Donald Trump a day earlier said that he “wouldn’t have wanted that — not a second strike” when asked about the incident.

“Secretary Hegseth authorized Admiral Bradley to conduct these kinetic strikes,” said Leavitt, referring to U.S. Navy Vice Admiral Frank Bradley, who at the time was the commander of Joint Special Operations Command. “Admiral Bradley worked well within his authority and the law, directing the engagement to ensure the boat was destroyed and the threat to the United States of America was eliminated.”

The lawmakers said they did not know whether last week’s Post report was true, and some Republicans were skeptical. Still, they said the reports of attacking survivors of an initial missile strike posed serious legal concerns and merited further scrutiny.

"This rises to the level of a war crime if it’s true,” said Sen. Tim Kaine, D-Va.

Rep. Mike Turner, R-Ohio, when asked about a follow-up strike aimed at people no longer able to fight, said Congress does not have information that happened. He noted that leaders of the Armed Services Committee in both the House and Senate have opened investigations.

“Obviously, if that occurred, that would be very serious and I agree that that would be an illegal act,” Turner said.

Trump on Sunday vigorously defended Hegseth.

“Pete said he did not order the death of those two men,” Trump said. He added, “And I believe him.”

Leavitt said Hegseth has spoken with members of Congress who may have expressed some concerns about the reports over the weekend.

Gen. Dan Caine, chairman of the Joint Chiefs of Staff, also spoke over the weekend with the four bipartisan lawmakers leading the Senate and House Armed Services Committees in which he reiterated “his trust and confidence in the experienced commanders at every echelon,” Caine's office said in a statement.

The statement added that the call focused on “addressing the intent and legality of missions to disrupt illicit trafficking networks which threaten the security and stability of the Western Hemisphere."

After the Post’s report, Hegseth said Friday on X that “fake news is delivering more fabricated, inflammatory, and derogatory reporting to discredit our incredible warriors fighting to protect the homeland.”

“Our current operations in the Caribbean are lawful under both U.S. and international law, with all actions in compliance with the law of armed conflict—and approved by the best military and civilian lawyers, up and down the chain of command,” Hegseth wrote.

Leavitt also confirmed that Trump later on Monday would be holding a meeting with his national security team to discuss the ongoing operations in the Caribbean Sea and potential next steps against Venezuela.

The U.S. administration says the strikes in the Caribbean are aimed at drug cartels, some of which it claims are controlled by Venezuelan President Nicolás Maduro. Trump also is weighing whether to carry out strikes on the Venezuelan mainland.

Trump on Sunday confirmed that he had recently spoken by phone with Maduro but declined to detail the conversation.

The September strike was one in a series carried out by the U.S. military in the Caribbean Sea and eastern Pacific Ocean as Trump has ordered the build up a fleet of warships near Venezuela, including the largest U.S. aircraft carrier.

More than 80 have been killed the strikes on small boats that the Trump administration alleges smuggle narcotics for drug cartels.

Venezuela’s National Assembly has announced the launch of an investigation into the lethal strikes carried about by the U.S.

Sunday’s announcement by the Assembly’s president, Jorge Rodríguez, marked the first time that a Maduro government official explicitly acknowledged that Venezuelans have been killed in the monthslong U.S. military operation.

Rodríguez, Maduro’s chief negotiator, said a group of lawmakers will come together to investigate “the serious events that led to the murder of Venezuelans in the waters of the Caribbean Sea.”

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Associated Press writer Regina Garcia Cano in Caracas, Venezuela, and Konstantin Toropin contributed to this report.