The US has announced it is sending an aircraft carrier to the waters off South America as it ramps up an operation to target alleged drug smuggling boats.

The Pentagon said in a statement that the USS Gerald R Ford would be deployed to the region, including the Caribbean Sea, to “bolster US capacity to detect, monitor, and disrupt illicit actors and activities that compromise the safety and prosperity of the United States homeland and our security in the Western Hemisphere”.

Venezuela’s President Nicolas Maduro told state media that the US was “inventing a new eternal war”.

The vessel is the US Navy’s largest aircraft carrier. It is currently deployed in the Mediterranean alongside three destroyers, and the group are expected to take around one week to make the journey.

There are already eight US Navy ships in the central and South American region, along with a nuclear-powered submarine, adding up to about 6,000 sailors and marines, according to officials.

It came as the US secretary of war claimed that six “narco-terrorists” had been killed in a strike on an alleged drug smuggling boat in the Caribbean Sea overnight.

Pete Hegseth said his military had bombed a vessel which he claimed was operated by Tren de Aragua – a Venezuelan gang that was designated a terror group by Washington in February.

Writing on X, he claimed that the boat was involved in “illicit narcotics smuggling” and was transiting along a “known narco-trafficking route” when it was struck during the night.

All six men on board the boat, which was in international waters, were killed and no US forces were harmed, he said.

Ten vessels have now been bombed in recent weeks, killing more than 40 people.

Mr Hegseth added: “If you are a narco-terrorist smuggling drugs in our hemisphere, we will treat you like we treat al Qaeda. Day or NIGHT, we will map your networks, track your people, hunt you down, and kill you.”

While he did not provide any evidence that the vessel was carrying drugs, he did share a 20-second video that appeared to show a boat being hit by a projectile before exploding.

Speaking during a White House news conference last week, Donald Trump argued that the campaign would help tackle the US’s opioid crisis.

“Every boat that we knock out, we save 25,000 American lives. So every time you see a boat, and you feel badly you say, ‘Wow, that’s rough’. It is rough, but if you lose three people and save 25,000 people,” he said.

Read more:
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On Thursday, appearing at a press conference with Mr Hegseth, Mr Trump said that it was necessary to kill the alleged smugglers, because if they were arrested they would only return to transport drugs “again and again and again”.

“They don’t fear that, they have no fear,” he told reporters.

The attacks at sea would soon be followed by operations on land against drug smuggling cartels, Mr Trump claimed.

“We’re going to kill them,” he added. “They’re going to be, like, dead.”

Some Democratic politicians have expressed concerns that the strikes risk dragging the US into a war with Venezuela because of their proximity to the South American country’s coast.

Others have condemned the attacks as extrajudicial killings that would not stand up in a court of law.

Jim Himes, a member of the House of Representatives, told CBS News earlier this month: “They are illegal killings because the notion that the United States – and this is what the administration says is their justification – is involved in an armed conflict with any drug dealers, any Venezuelan drug dealers, is ludicrous.”

He claimed that Congress had been told “nothing” about who was on the boats and how they were identified as a threat.

A convicted child killer executed in Tennessee showed signs of “sustained cardiac activity” two minutes after he was pronounced dead, his lawyer has claimed.

Byron Black, who shot dead his girlfriend Angela Clay and her two daughters, aged six and nine, in a jealous rage in 1988, was executed in August by a lethal injection.

Alleged issues about his case were raised on Friday as part of a lawsuit challenging the US state‘s lethal injection policies, amid claims they violate both federal and state constitutional bans on cruel and unusual punishment.

The latest proceedings in Nashville were held to consider whether attorneys representing death row inmates in the lawsuit will be allowed to depose key people involved in carrying out executions in Tennessee.

The court heard that concerns had been raised before the execution that Black was being put to death with a working defibrillator implanted in his chest.

There were fears that the device would shock his heart when the lethal chemicals took effect.

The Death Penalty Information Center, which provides data on such matters, said it was unaware of any similar cases.

Seven media witnesses said Black appeared to be in discomfort during the execution. He looked around the room as the execution began, and could be heard sighing and breathing heavily, the AP news agency reported at the time.

An electrocardiogram monitoring his heart recorded cardiac activity after he was pronounced dead, his lawyer Kelley Henry told a judge on Friday.

Read more from Sky News:
Executed man took at least 15 minutes to die
US ramps up ‘drug boats’ operation

Ms Henry, who is leading a group of federal public defenders representing death row inmates in the US state, said only the people who were there would be able to answer the question of what went wrong during Black’s execution.

“At one point, the blanket was pulled down to expose the IV,” she told the court.

“Why? Did the IV come out? Is that the reason that Mr Black exclaimed ‘it’s hurting so bad’? Is the EKG (electrocardiogram) correct?”

A full trial in the case is scheduled to be heard in April.

The Pentagon has confirmed it has accepted an anonymous $130m (£98m) gift to help pay members of the military during the government shutdown.

President Donald Trump announced the donation at the White House on Thursday, calling the donor a “patriot” and “friend of mine,” but withholding his name, saying they did not want recognition.

Mr Trump said: “He called us the other day and he said, ‘I’d like to contribute any shortfall you have because of the Democrat shutdown. I’d like to contribute, personally contribute, any shortfall you have with the military, because I love the military and I love the country’ … And today, he sent us a check for $130 million”.

The Pentagon confirmed it had accepted the donation on Thursday “under its general gift acceptance authority.”

“The donation was made on the condition that it be used to offset the cost of service members’ salaries and benefits,” Sean Parnell, chief spokesman for the Pentagon, said in a statement.

“We are grateful for this donor’s assistance after Democrats opted to withhold pay from troops.”

The government shutdown is now approaching its fifth week, and is on track to become one of the longest federal closures ever.

Neither Republicans, who have control of the House, Senate and White House, nor Democrats, in the minority, are willing to budge in their broader stand-off over health care funding.

Explained: What is a shutdown and who does it impact?

On Thursday, the Senate failed to advance a GOP bill that would have provided pay for some federal workers, and an alternative offered by the Democrats to pay all federal workers also failed.

Although a large sum, the $130m gift amounts to just a small contribution toward the billions needed to cover service member pay.

The Trump administration told Congress last week that it used $6.5bn to cover military pay.

The next payday is due within the week, and it is unclear if the administration will again move money around to ensure the military does not go without pay.

The Trump administration diverted $8bn from military research and development funds to pay troops on time.

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Ethical concerns have been raised over the donation.

A spokesman for Senator Chris Coons, the ranking member of the Senate Appropriations subcommittee on Defence, said the anonymous nature of the donation raised concerns.

“Using anonymous donations to fund our military raises troubling questions of whether our own troops are at risk of literally being bought and paid for by foreign powers,” the spokesman said.

Pentagon policy says authorities “must consult with their appropriate ethics official before accepting such a gift valued in excess of $10,000 to determine whether the donor is involved in any claims, procurement actions, litigation, or other particular matters involving the Department that must be considered prior to gift acceptance.”