World War IDS Pors

DS Pors disappeared in July 1915. The tugboat left Esbjerg on July 18th, bound for Porsgrunn. Later, lifebelts from the ship were found near Limfjorden in Denmark, leading to the assumption that the ship had been hit by a mine. Four people perished in the wreck.

(Source: Sjøhistorie.no and Morgenbladet 05.08.15)