Two days after her prime minister resigned over the tragedy, Park's comments are another attempt to defuse growing public anger about the April 16 sinking of the 6,825-tonne Sewol.

"I don't know how to apologies for the failure to prevent this accident and for the insufficient first response," Park said in a statement to her cabinet that was broadcast on national television.

"I am sorry to the people and heavy-hearted that many precious lives were lost," Park Added.

Park's government has been widely criticized over perceived corruption and lax safety standards that may have led to the disaster with claims that the ferry was overloaded and that the passenger list was inaccurate and incomplete.

Echoing words used by Prime Minister Chung Hong-Won when he fell on his sword on Sunday, Park blamed systemic and regulatory failings for one of South Korea's worst ever maritime tragedies.

"I feel so regretful for having been unable to correct such long-running evils and letting an accident like this take place," she said.

Park accepted Chung's resignation but ordered him to remain in office until the recovery operation was completed.

Earlier on Tuesday, the President had travelled to Ansan, just south of Seoul, where she paid her respects at a memorial for the schoolchildren who died in the disaster.

Of the 476 people on board the Sewol, 325 were students from the same high school in Ansan. Only 75 of them were rescued.

But in a sign of the boiling anger felt by relatives of the missing and the dead, there were shouted demands for her floral tribute to be removed from the shrine, and reports the president had been jostled.

Search mission spokesman Koh Myung-Seok said divers had worked their way through passenger cabins on the fourth and fifth levels of the submerged ferry today, recovering four more bodies.


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