Early in the war U boats would evacuate the ship then sink it, they would broadcast over the airwaves the location to rescue the passengers and crew but they started getting bombed and strafed so they said fuck that.
https://en.m.wikipedia.org/wiki/Laconia_incident
Carp69 t1_ixt7o6y wrote
Reply to TIL of the Arisan Maru, a Japanese "hell ship" that was torpedoed while carrying Allied prisoners of war. None of the 1,781 passengers were killed by the explosion, but other Japanese ships refused to rescue them, resulting in only 9 survivors. by Jupitair
Early in the war U boats would evacuate the ship then sink it, they would broadcast over the airwaves the location to rescue the passengers and crew but they started getting bombed and strafed so they said fuck that. https://en.m.wikipedia.org/wiki/Laconia_incident