Overseas Shipholding Group (OSG) has launched litigation in a US bankruptcy court to sort out the confusion over whom to pay for fuel bills following the collapse of Copenhagen-based OW Bunker last month.

The US tanker owner’s OSG Ship Management subsidiary and single-ship owning affiliate 1372 Tanker filed the adversary case in Bridgeport, Connecticut, in an effort to avoid the potential arrest of the 319,000-dwt Overseas Mulan (built 2002) over a $2.02m