Three U.S. tourists have died at a resort in the Bahamas after falling ill, officials of the Atlantic island nation confirmed, and another was airlifted to a hospital for treatment.

Acting Prime Minister Chester Cooper issued a statement Friday saying that police are investigating and the cause of death was unknown, though foul play “is not suspected.”

Their identities were not initially made public.

The health minister, Dr. Michael Darville, told Eyewitness News Bahamas on Saturday that some hotel guests went to a clinic Thursday with nausea and vomiting, and were treated, and left. Three were later found dead. A fourth was flown to a hospital in New Providence.

He said the environmental health scientists, physicians and others were investigating to ensure there was not a public health hazard.

“We feel that what we are seeing is an isolated case associated in a particular area,” he said, adding that investigators are doing toxicology and blood tests to help determine the cause of the illness.

The head of communications for the prime minister's office, Latrae L. Rahming, tweeted that the deaths occurred at Sandals Emerald Bay in Exuma.

In a statement to People Magazine, a representative for Sandals confirmed the deaths and said the company was “actively working to support both the investigation as well as the guests’ families in every way possible.”

Additional reporting by The Associated Press.

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Canada's TC Energy Corp.'s Keystone Pipeline has been found to have leaked more crude oil than any other pipeline in the U.S. in the past 12 years, according to data from the the pipeline and the Hazardous Materials Safety Administration.

The major North American conduit that spans a distance from Canada into the U.S. Midwest was shuttered recently after 14,000 barrels of crude spilled out, leaking into vital areas including a local waterway, Bloomberg reported.

The spill, plus others, equals about 26,000 barrels of leaked crude oil onto U.S. land since 2010.

The U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration issued a corrective order to TC Energy demanding the company address the leak and submit a "restart plan."

The 2,687-mile pipeline presents possible hazards at every section stretching from Hardisty, Alberta in Canada to the U.S. Midwest and down to Port Arthur, Texas.

Police have warned the public about some concerning robberies targeting people wearing pricy Canada Goose jackets.

The jackets, which can cost up to $1,850 new, have been the target of at least five different instances of reported robberies in Washington, D.C. since December, according to local reports.

In one of the most recent encounters, police say the victim was walking when the suspect approached him "from behind."

The suspect was "holding a black handgun," a police reported read. The suspect told the victim not to speak or he would shoot him.

Two recent robberies, which happened within the span of a week, according to NBC Washington, occurred around the George Washington University campus in Washington, D.C.

An advisory to students was sent out by officials at the university which said, "Jackets have been taken off of victims, and in some cases, weapons have been brandished."

"These jackets are very expensive, and our community members should be mindful while wearing them, even in very public spaces," the announcement read.

Prices for the jackets are usually between $550 and $1,500 depending on the style, but can go a bit higher, or lower, depending on condition and where they are sold.

A Howard University student wearing a Canada Goose coat was targeted by multiple masked suspects that pulled up in a car and took his coat and fled according to police, the BBC reported.

In one case, the victim reported that they said no to giving up the jacket when three men approached him as he was walking to school. The victim said the men then assaulted him, forced him to the ground, and stole the jacket, injuring his eye and forehead, WJLA reported.

In another incident a man was told to give up his jacket and vehicle he was driving in. Another female was robbed at gunpoint during a different incident before the suspect fled the scene.

Police have released video of persons of interest fleeing a scene and are asking to public to help identify the individuals.