This article in the German-American newspaper New Yorker Staats-Zeitung describes the sinking of the steamships FALABA and AGUILA.

The FALABA was on her way from Liverpool to Sierra Leone when she was sunk by U 28 under the command of KapLt Georg-Günther von Forstner on 28 March 1915. Her wreck lies some 38 miles to the west of the Smalls, Pembrokeshire.

Source:
World War history: daily records and comments as appeared in American and foreign newspapers, -1926. (New York, NY) 29 Mar. 1915, p. 60. Retrieved from the Library of Congress, www.loc.gov/item/2004540423/1915-03-29/ed-1/.