British submarine HMS Shark, damaged by attacks from German auxiliary minesweepers M1803 (trawler Spitzbergen), M1806 (trawler Cuxhaven), and M1807 (trawler Mulsum) in Boknafjord near Stavanger, Norway on the previous day, became captured by the Germans. She was in the process of being towed by the German ships when she suddenly sank, killing 3. The remaining 32 crew members were rescued and became prisoners of war.
