Underway OSV attacked by two speedboats at 1550 UTC in position 03:50N – 006:30E, approx 21nm SSE of Brass, Nigeria. Speedboats w/ 6 armed POB in each fired upon escorting security vessel. Unconfirmed report states several pirates and one security personnel killed. Pirates in second speedboat reportedly boarded OSV (status unverified) Awaiting further details. (Reported (MDAT/Source) 9 Mar.