President Obama on Friday identified the first, and so far only, known American citizen aboard
Quinn Lucas Schansman had dual Dutch and American citizenship, Jen Psaki, a spokeswoman for the
A Facebook profile appearing to belong to Schansman indicates that he was living in Amsterdam as of April and attending the International Business School at Hogeschool van Amsterdam.
A photo posted by a woman who appears to be his girlfriend included numerous condolences from friends.
In a press conference, Obama called the plane crash a "global tragedy" and said it should "snap everybody's heads to attention" that the conflict in Ukraine has widespread consequences.
The president also called for an immediate cease-fire between pro-Russian separatists and Ukraine and a "credible international investigation" into the incident.
Obama also noted that separatists have received a "steady flow" of support from Russia, including antiaircraft weapons.
"Evidence indicates that the plane was shot down by a surface-to-air missile," the President said. "That shot was taken in a territory controlled by the Russian separatists."