It has just been confirmed that two Maersk vessels, the Maersk Searcher and the Maersk Shipper (both supply vessels) sank late last night (December 21). Both vessels were undertow from offshore tug supply vessel Maersk Battler. It is understood that no casualties have occurred, nor were any pollutants spilt.
Source- Fleetmon. More updates to follow.
UPDATE:
Both vessels, with deadweight of around 3500 tonnes and 82 metres long, had been emptied of fuel and lubricants, Claus Bachmann, chief operating officer of Maersk Supply Service, said in an email.