From BNO News:

JAKARTA, INDONESIA (BNO NEWS) — Three crew members were killed on Friday when a fire extinguisher exploded aboard a ship in the Indonesian capital of Jakarta, local media reported. Several others were injured.The incident occurred at the shipyard of PT Pulau Kuda Laut in North Jakarta when a fire extinguisher located in the engine room of the MV Melinium exploded while a number of crew members were working in the area, the Antara news agency reported.The report said three people, who were identified as Johan, Niko and Eko, were killed as a result of the explosion. Two other crew members who rushed to the engine room to help the victims suffered from smoke poisoning and were taken to Sukmul hospital.“All of a sudden, I heard the loud sound of an explosion coming from the engine room,” a crew member told Antara. It was not immediately clear what caused the explosion, and Antara said police detectives had launched an investigation.

We will have to keep an eye out for the findingsof this investigation. Not alot of information here not even the type of extinguisher.