Latest ICC Commercial Crime Services Piracy Report here. Highlight:
09.07.2006 at 0750 UTC in position: 12:28N - 045:10E, Gulf of Aden.Plus some minor ship robberies...
Two speedboats, turquoise hull, length 10 metres and each manned by three persons followed a container ship underway. Ship increased speed, raised alarm; crew mustered and informed ships in vicinity via vhf. After 10 minutes boats moved away.
Map shows approximate area of Gulf of Aden incident. Yemen is country to the north, where Aden is located.