Hundreds missing after South Korea ferry capsizes

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Hundreds of people are missing after a ferry capsized Wednesday off the coast of South Korea. It could be the country's worst maritime disaster in more than two decades.

Four deaths have been confirmed so far and more than 280 people are missing. 174 rescues were confirmed.

It's not clear why the ferry capsized in calm conditions, but survivors head a loud noise before the vessel started to go down.

The rescue operation continued into the night, lit by flares, as relatives of the missing prayed for good news.

More than 80 vessels and 18 aircraft swarmed the area where the ferry sank searching for survivors. Around 160 Coast Guard and Navy divers also searched inside the ferry's wreckage.

Passengers who were rescued were brought to Jindo Island, where medical teams checked them for injuries.

The ferry had set sail from incheon on a 14-hour, overnight journey to the tourist island of Jeju. Most of the people who were on board were high school students on a school trip.

Survivors wrapped in blankets were taken to a gymnasium that was used as a makeshift shelter while others were taken to the hospital for medical treatment.

Buses were used to carry parents from the high school to the port town where the rescued passengers were being taken.