Sweden has boosted its military presence in the Stockholm archipelago to search for "foreign underwater activity" in the county's largest mobilisation of troops and ships since the end of the Cold War.
The search in the Baltic Sea less than 31 miles (50 km) from Stockholm began on Friday and this operation comes amid increasing tension with Russia among the Nordic and Baltic states over the Ukraine crisis.
Finland last week accused the Russian navy of interfering with a Finnish environmental research vessel in international waters.
Swedish military spokesmen said the information about suspicious activity came from a trustworthy source and that more than 200 military personnel were involved in the search.
Swedish daily Svenska Dagbladet, citing unidentified sources with knowledge of the search, said the military operation began after a radio transmission in Russian on an emergency frequency was intercepted.
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Sweden is to recognise the state of Palestine in a move that will make it the first major member of the European Union to do so.
The prime minister of the new centre-left government Stefan Lofven said the conflict between Israel and Palestine can only be solved with a "two-state solution".
"Sweden will therefore recognise the state of Palestine," Lofven said during his inaugural address in parliament.
Hungary, Poland and Slovakia recognised Palestine before they joined the EU, making Sweden the first country to acknowledge Palestine while being a member of the bloc.
More than 2,000 people were killed after a seven-week conflict between Israel and Hamas earlier this year.
Swedish scientists are struggling to explain a rise in cases of hypospadias, a condition that causes baby boys to be born with deformed penises.
A 40-year study conducted by researchers at Stockholm's Karolinksa Institute found that incidences of hypospadias in babies born after 1990 jumped significantly from 4.5 boys out of every 1,000 to eight per 1,000.
The scientists said that they had taken into account factors such as low-birth weight that could be linked to the condition, but still could not explain the rise, The Local reported.
Hypospadias means the urethral opening is abnormally placed and can affect urination and sexual function later in life.
Lead researcher Dr Anna Skarin Nordenvall told Dagens Medicin newspaper that an unknown factor could be behind the deformities.
She said that scientists could not rule out the theory that chemicals - specifically environmental agents known as endocrine disruptors - could be responsible for the trend.
Endocrine disruptors, which are mostly man-made, can be found in pesticides, plastics and various household products.
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Firefighters continue a battle a wildfire that has burned for five days in central Sweden.
The fire has burned 150 square kilometres (60 square miles) of forested land and killed at least one person.
A thousand people have been evacuated from villages and towns in the area threatened by the fire.
Amateur video uploaded online on Monday showed plumes of thick white and black smoke rising over a forest in Virsbo locality, in Vastmanland province.
Italy and France have sent firefighting planes to help contain the blaze, one of the biggest forest fires in Sweden in recent decades.
Police say the badly charred body of man in his 30s was found in the area earlier today.
Another man was taken to a hospital with serious burns.
It is unclear what sparked the fire but authorities say unusually hot weather and dry conditions are fuelling the flames.
Swedish police have detained a man who tried to enter the cockpit on a flight from Dubai to Stockholm.
Onboard staff handcuffed the man during the Emirates flight today and handed him over to police when the plane landed at Arlanda airport in Stockholm, police spokesman Albin Naverberg said.
Officers held the man on suspicion of preparing aircraft sabotage after interviewing the plane's crew, Naverberg added.
Henrik Kelfve, spokesman for airport operator Swedavia, confirmed that a male passenger had tried to enter the cockpit on the Emirates' flight.
Swedish tabloid Expressen reported that a man had shouted that he had a bomb, about an hour after the departure from Dubai.
Nine women in Sweden have successfully received transplanted wombs donated from relatives and will soon try to become pregnant, the Associated Press has revealed.
The women were born without a uterus or had it removed because of cervical cancer. Most are in their 30s and are part of the first major experiment to test whether it's possible to transplant wombs into women so they can give birth to their own children.
The transplants began in September 2012 and the donors include mothers and other female relatives of the recipients. They are intended to be temporary, just to allow childbearing.
There have been two previous attempts to transplant a womb — in Turkey and Saudi Arabia — but both failed to produce babies.
Fertility experts have hailed the project as significant, but they stressed that it's unknown whether the transplants will result in healthy babies.
Sweden's foreign minister Carl Bildt has said he believes Syrian forces are to blame for the alleged chemical attack, based on the evidence he has seen.
Writing in Swedish on his official blog, Mr Bildt said:
I have a hard time coming to any conclusion other than that a deadly chemical substance has been used in the attack carried out by the regime's forces between Tuesday and Wednesday on this opposition-controlled area.
He also said that if such an attack was confirmed by UN inspectors, he believes it would force Russia to reconsider its position and perhaps result in stronger action by the UN Security Council.