(CNN) Four bodies have been recovered from the sightseeing tourist boat which collided with a larger vessel and sank in Budapest two weeks ago, as it was finally lifted out of the River Danube on Tuesday.

The wreck will now be taken to an island in the river for further investigation by city authorities, a media officer for Hungary's Counter Terrorism Center (TEK) said.

The wreck was raised from the Danube River on June 11.

Thirty-five people -- including 33 South Koreans -- were on board the boat in the Hungarian capital when it collided with another ship on May 29. The retrieval of the four bodies Tuesday takes the death toll until at least 24. Four passengers remain missing, the TEK media officer said.

The collision occurred in the city center and according to Hungarian police, the sightseeing vessel -- called The Mermaid -- flipped and sank in just seven seconds.

Seven passengers were rescued from the river and taken to hospital following the accident, and a further seven people were confirmed dead that night.

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