Fiji's interim prime minister, Commodore Frank Bainimarama, has told FBC News that he will investigate the alleged sabotage of the Lautoka Sugar Mill.
Commodore Bainimarama says the sabotage has cost the mill thousands of dollars.
He says the alleged perpetrator has been arrested and has lost his job.
The sugar industry had earlier been hit by claims of it being undermined from within, with the regime last October deploying soldiers at three mills because of suspected sabotage.
This week, Commodore Bainimarama, who has been the interim sugar minister for more than two years, has also expressed disappointment at the failed mill upgrade carried out by Sugar Technology Mission of India.
He likened the disbursement of 48 million US dollar on that contract to dumping money into the ocean.