there are MULTIPLE sources confirming that A) she was there B) she died and C) it was of tear gas. for those of you who just CAN'T BELIEVE anything an arab says because we're all liars or whatever, there were also jewish groups at the event who recorded the entire thing. jewish voice for peace has a twitter account that live-blogged it all.
First refugees travelling on Hungarian bus arrive at Austrian border (Reuters)
from the article: IDF: No proof Palestinian woman died from tear gas at protest