Two Bangladeshi workers were thrown off a vessel that was docked at a Tuas shipyard on 28 March and fell onto the dock below.
The two men aged 30 and 42, were pronounced dead at the scene by paramedics.
The deceased were among three workers who were working on a scaffold built around a structure above the vessel that was docked, and the structure then suddenly collapsed at about 10pm, at 51 Pioneer Sector 1.
A part of the scaffold was then flung out of the vessel and the two men were then thrown off, and they were found motionless when the police arrived at the scene following a call for help at about 10.30pm.
A third Bangladeshi worker, a 25-year-old man, survived after managing to cling onto the structure and he was then rescued by the emergency response team of the shipyard and conveyed to Ng Teng Fong General Hospital.
Keppel Shipyard is the occupier of the site and is the employer of the 42-year-old deceased. while the other two workers were employees of Veekee Engineering.
Keppel Shipyard has been told to stop all works that involves the structure on board the vessel as MOM is investigating the incident.
Police investigations are also ongoing and at the moment, no foul play is suspected.