The Rotterdam port authority has issued a hefty bill for a bunkers spill earlier this summer by an Odfjell-managed, Bahri-owned chemical tanker.

In a US arrest case, the authority's lawyers have secured a claim of some $34m, but Dutch press cite port authority boss Allard Castelein as putting the damage at over €80m ($92.8m).

Through an outside spokesman, Svein Buvik, senior vice president at protection and indemnity club Gard, declined to comment on the case, citing client confidentiality.