The 158 meter long, 20731 dwt freighter South River became disabled on the Kiel Canal.   The South River had raised anchor which pulled up another anchor with chain from the canal bottom.   The freighter proceeded to berth at Brunsbüttel requesting assistance to remove the anchor.   A tug and barge were on scene and were able to remove the anchor later that day.   The South River proceeded on its voyage from Szczecin to Bizerte.   No reports of injuries, damage or pollution being released.