Toxicology reports will shed light on what substance left seven Fiji tourists in hospital, with mystery still surrounding how other patrons in the packed bar and drinking the same drinks escaped un-harmed.

Seven tourists are being treated for suspected poisoning after drinking cocktails at a bar in an upscale Fiji resort that’s now being investigated by police.

Seven foreign tourists have been taken to hospital after drinking piña coladas at a five-star resort in Fiji, with methanol poisoning not yet ruled out.

At the end of November, countries such as the U.S., Canada and Denmark issued travel advisories for the Southeast Asian nation Laos after a number of their citizens died from consuming alcohol tainted with methanol in the resort town of Vang Vieng.

Seven foreign tourists between the ages of 18 and 56 were hospitalized after drinking “poisoned” piña coladas at a luxury resort in Fiji, BBC reported. One of the travelers is American, while the other six are Australian nationals;

Seven tourists sought hospital treatment for suspected poisoning after drinking cocktails at a bar in an upscale Fiji resort that’s now being investigated by police.