MV Mavi Marmara is a Comoros-flagged passenger ship, which was formerly owned and operated by İDO Istanbul Fast Ferries Co. Inc. on the line Sarayburnu, Istanbul-Marmara Island-Avşa Island in the Sea of Marmara. From Wikipedia
The Freedom Flotilla vessel was hit off Malta, leaving it at risk of sinking; all crew and passengers have been confirmed safe.