The 81 meter long, 2300 dwt freighter Kelarvi became disabled in the Elbe Estuary near Cuxhaven, Germany.  The Kelarvi had suffered a total power blackout after its main engine failed.  The crew was able to drop anchor to keep the vessel from going aground.   The vessel requested assistance with two tugs responding.  The tugs towed the Kelarvi to Cuxhaven.   There the vessel was repaired and continued on its journey a few days later.  No reports of injuries, damage or pollution released.