The incident occurred on Tuesday afternoon. A ferry with 139 passengers and 48 cars on board capsized off the coast of Indonesia's Sulawesi island.
A search operation is currently underway. At the moment, it is not yet clear how many people have been rescued.
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Images from the scene show some people clinging to the sinking ferry, whereas other passengers are floating in the water waiting for help.
A similar incident occurred two weeks ago when a ferry with at least 80 passengers on board sank in Lake Toba, a popular tourist destination in North Sumatra.