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Seven people were confirmed dead and 21 remained missing early Thursday after a sightseeing boat carrying 33 South Korean passengers and two crew members collided with another vessel and sank in the Danube River in downtown Budapest.

Rescue officials said seven bodies had been recovered. Pal Gyorfi, spokesman for the National Ambulance Service, said seven people were rescued and hospitalized in stable condition following the accident Wednesday night.

National police spokesman Kristof Gal said 33 South Koreans were on the boat, after early reports mentioned 32. South Korea’s Foreign Ministry later confirmed that 33 of its citizens were on the boat and said 19 were still missing.

The two crew members were identified as Hungarian.

South Korean President Moon Jae-in instructed officials to employ “all available resources” to support the rescue efforts in Hungary.

Moon’s spokeswoman Ko Min-jung said in Seoul that Moon also ordered the launch of a government task force led by Foreign Minister Kang Kyung-wha to deal with the accident and maintain close communication with the family members of the South Korean passengers.

The sunken boat was located early Thursday near the Margit Bridge, not far from the neo-Gothic Parliament building on the river bank.

Employees from the South Korean Embassy in Budapest were assisting Hungarian officials in identifying those rescued and the deceased.

Officials said searchers were checking the Danube for miles downriver from Budapest. The river was fast-flowing and rising as heavy rain continued in the city.

Earlier, the news website Index.hu said one of those rescued was found near the Petofi Bridge, which is about 3 kilometers (2 miles) south of Parliament.

Dozens of rescue personnel, including from the military and divers, were involved in the search.

The boat that sank was identified as the “Hableany” (Mermaid), which is described on the sightseeing company’s website as “one of the smallest members of the fleet.” It has two decks and a capacity for 60 people, or 45 for sightseeing cruises.

Mihaly Toth, a spokesman for the Panorama Deck boating company, said the “Hableany” was on a “routine city sightseeing trip” when the accident happened. He told state television that he had no information about any technical problems with the boat, which he said was serviced regularly.