Singapore authorities have arrested the four-ship tanker fleet of a former Singapore bunkering company Vermont UM Bunkering.

The admiralty sheriff has detained the 7,000-dwt Angel Moon (built 2011), the 6,500-dwt Angel Star (built 2012), the 5,000-dwt Angel Sun (built 2006) and the 6,800-dwt Ansheng (built 2012).

The vessels were arrested earlier this week on the instructions of local law firm Rajah & Tann Singapore, court documents show.