The American destroyer was steaming alone in the Atlantic, 25 miles from Bishop Rock, off the southwest coast of Britain, unaware that it was being stalked by a U-boat, an enemy submarine.

Wilson had initially been sympathetic to Germany's peace overtures but the sinking of Leinster off Dun Laoghaire caused outrage and led the American ... was hit, U-boats sunk 13 million tons ...

More than 500 of the ship's crew died after it was torpedoed by a German U-boat in October 1914. The authors of a report sent to the Royal Navy have said they believe there is enough information ...