Along with the US and Canadian dual citizens, Polish and Australian nationals were also killed, as was the Palestinian driver of the vehicle carrying the group.
WCK, a non-governmental organization that feeds displaced Palestinians, employed the volunteers.
Israeli Prime Minister Benjamin Netanyahu acknowledged that Israeli troops were behind the attack, calling it a tragic instance of an unintentional strike by our forces on defenseless civilians in the Gaza Strip.
“We check it to the end, we are in contact with the governments, and we will do everything so that it doesn’t happen in war,” he continued.