Warning: Tent Could Be Death Trap – Five Poisoned in Short Time

Police investigations have confirmed that two men, aged 30 and 55, found dead in a tent in Härjedalen, Sweden, in July died from carbon monoxide poisoning. This tragic incident brings the total number of deaths from similar poisonings in the Swedish mountains to five since last winter, a frequency described as unusual by authorities.

The men were on a fishing trip near Långås, east of Funäsdalen, when they were reported missing on July 10. Their tent was found that evening with both men deceased inside. Investigators believe the men may have used a stove inside the tent for warmth, as burnt coal residue was found. However, the tent was not equipped with a proper exhaust pipe for the stove.

“

It is unusual for this to happen to so many people in such a short time.

"The tent was not adapted for a stovepipe," said Agneta Brovinius, a police inspector, to DN. "If I am to speculate, they might have thought the tent was sufficiently ventilated. This type of poisoning is not noticeable; you don't start coughing or sneezing, you just fall asleep and die."

“

If I am to speculate, they might have thought the tent was sufficiently ventilated. This type of poisoning is not noticeable; you don't start coughing or sneezing, you just fall asleep and die.

Brovinius emphasized the extreme danger of burning fuel in tents and enclosed spaces. "This was experienced outdoors people who were often in nature. But obviously, combustion without adequate ventilation can be life-threatening. It is extremely unpleasant," she stated. The victims were found in a "glamping tent," a larger tent designed to accommodate beds, which may have contributed to the lack of ventilation.

This incident follows a pattern of similar fatal accidents. In February 2025, a woman died from carbon monoxide poisoning in a shelter west of Bruksvallarna, where a camping stove was found. In the same month, journalist Stefan Nieminen and his friend Petri Aaltio died in their tent near Kebnekaise after using a gas heater in a "pop-up" tent, often used for ice fishing. Authorities note that these deaths have primarily occurred in tightly sealed pop-up tents rather than traditional mountain tents.

“

This was experienced outdoors people who were often in nature. But obviously, combustion without adequate ventilation can be life-threatening. It is extremely unpleasant.