Indonesian rescuers were searching for 29 people who remained missing Thursday after a ferry sank and six people died the previous night near Indonesia’s resort island of Bali.

Indonesian authorities have pledged to continue a large-scale search and rescue (SAR) operation for 29 people still missing after a passenger ferry sank in the Bali Strait this week.

Indonesian rescuers raced to find victims in rough seas on Thursday after five people died and dozens were left missing when a ferry carrying 65 people sank near the island of Bali, according to search and rescue agencies.