MOSCOW (AP) — Rafts carrying people have been spotted off Russia’s east coast where a floating oil rig sank in remote, freezing waters, the owner said Monday, but the government would not confirm the report and it was not clear whether there were survivors.

Time appeared to be running out for the scores of oil workers still missing the day after their floating platform was downed in a severe storm. Workers have already pulled out 10 bodies from the Sea of Okhotsk, and there are four more bodies that haven’t been retrieved yet, the ministry said.

Of the 67 men aboard, 14 were plucked alive from the icy waters immediately after the accident and taken to a hospital.

Chances of survival are negligible as the water temperature in the area is 1 degree Celsius (33.8 Fahrenheit).

An official at the rig’s owner Arktikmorneftegazrazvedka, who asked not to be named because the offshore oil exploration firm is not authorized to comment on the rescue operation, told The Associated Press that rescue vessels have spotted four rafts with people aboard, but it was not clear if they were alive or not. The Emergencies Ministry and military officials would not confirm.

The ministry said there are four vessels, one helicopter and one airplane in the area searching for the missing men. Helicopter shots from the area on NTV television showed nothing floating on the partly ice-bound sea.

Russia produces most of its oil onshore and it hasn’t seen any significant oil platform accidents in the past years.

The floating oil rig capsized Sunday morning as it was being towed about 200 kilometers (120 miles) off the coast of Sakhalin Island amid a fierce storm. It started sinking after a strong wave broke some of its equipment and the portholes in the crew’s dining room.

One of the survivors, Sergei Grauman, said on Russian state television that the platform’s portholes were smashed in a second and the crew had struggled to fix them.

"Everyone rushed to the deck," he told the First Channel station. "It all felt like a movie."

The Kolskaya platform — 70 meters (226 feet) long and 80 meters (262 feet) wide — was built in Finland in 1985. It has recently done some work for Russian energy giant Gazprom and was on its way to a port in the Far East when it capsized.

There has been no report of environmental damage, but there is likely to be little because the rig only carried a small amount of fuel.

Russian newspapers on Monday speculated about whether there could have been fewer deaths if the rig’s owner had taken more people off the rig before it was moved.

Russian law allows only a "minimal number of crew members" to be aboard the platform while it is being towed and bars any non-crew members or passengers. Reports said that at least 14 people aboard were not crew members.

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Varya Kudryavtseva contributed to this report.