The 80 meter long self-propelled tanker-barge Dettmer Tank 87 collided with a 200 meter long barge on the Elbe-Seiten Canal near Vorhop, Germany.   The vessels collided head-on when the barge had veered onto the wrong side of the canal.    Both vessels sustained significant damage, but no reports of injuries to any crew on either vessel.   The Dettmer Tank 87 was loaded with 1200 tons of  diesel fuel, but no reports of any pollution released.   The water police had launched an investigation into the collision.  Reports state the estimated damage is over 100000 euros.