Three people were killed and one was injured in an accident during lifeboat maintenance work at a ‌floating storage and offloading (FSO) vessel operated by Malaysian state energy firm Petronas on Sunday, the firm said.

Petronas, or Petroliam Nasional Berhad, said in a statement on Monday the ⁠incident occurred around 12:50 p.m. (0450 GMT) at FSO Sepat off Terengganu state on the east coast of peninsular Malaysia.