Thirty-5 persons — like 33 South Koreans — have been on board the tourist boat in the Hungarian capital when it collided with a bigger vessel, according to the South Korean Ministry of Foreign Affairs. Seven persons have been confirmed dead, although 21 are nevertheless missing. Seven other individuals have been rescued from the river and taken to hospital.

Hungarian Foreign Minister Peter Szijjarto told reporters throughout a joint press conference with his South Korean counterpart, Kang Kyung-wha, that his government’s objective was to “recover and surface the wreck as quickly as attainable to be capable to account for all the attainable missing persons stuck in the wreckage.”

He added that “every single single situation is operating against the good results of our perform these participating in the search and rescue efforts are possessing to deal with extraordinary situations.”

Szijjarto told reporters that divers had currently attempted quite a few dives down to the vessel but zero visibility produced it “not possible to get close to the wreck.”

He added that the search location had been extended to the “whole stretch” of the River Danube and that Hungary was operating with Serbian authorities downstream.

The collision occurred in the city center and according to Hungarian police the boat, named The Mermaid, flipped and sank in just seven seconds.

Seven South Korean vacationers died in the accident, of whom two have been identified, authorities stated Thursday. None have been wearing life jackets. Of the seven persons rescued from the water, six have been discharged from hospital. A single particular person remains in hospital with quite a few broken ribs, a medical professional from the emergency space confirmed to CNN.

Suspected human error

Budapest police stated in a statement on Thursday that the captain of the bigger vessel involved in the collision had been detained. The 64-year-old Ukrainian citizen, named only as Mr. Yuriy, was initially questioned primarily based on proof located by police investigating the accident.

Szijjarto stated Friday that human error is suspected to be the lead to of the crash, primarily based on the proof collected so far. He added that the detained captain “contested his culpability, nevertheless did not contest the custody.”

Lee Sang-moo, the managing director of Quite Very good Tour — the South Korean tour firm that arranged the river cruise — stated at a press conference in Seoul Thursday that the group was on day 5 of a nine-day tour of Croatia, Slovakia, the Czech Republic, Hungary, Austria and Germany.

Flowers and candles have been placed on the banks of the Danube.

Most of the vacationers have been middle aged, Lee added, with the oldest in their 70s and the youngest born in 2013.

“I deeply apologize to the parties impacted by the accident, households of victims and the persons who are suffering right after hearing the news this morning,” Lee stated. “I realize that the boat took every single precaution.”

Mihaly Toth, a spokesman for boating firm Panorama Deck, which operated the capsized boat, stated the firm could not confirm why it sank.

“It was just an typical day and this was a common trip. We carry out thousands of tourist boat trips every single day, there have been no indicators that a thing like this could occur,” Toth stated.

CNN’s Nada Bashir contributed to this story.