The 81 meter long general cargo vessel Bomar Moon ran aground on the Köhlbrand, an anabranch of the Unterelbe River, off Hamburg, Germany. The Bomar Moon had departed from a nearby oil plant when it suffered a power blackout.  The crew performed an emergency anchor, but the cargo the vessel struck bottom.  A nearby tug was able to refloat the Bomar Moon and proceeded to Steinwerder aided by two police boats.  No reports of injuries. The cargo vessel was detained while divers inspected the hull for damage.