According to the information regarding the debunking of this video and the event, there was a mass wedding in Gaza for young people but no the little girls were not the brides, they were only dressed up as brides for a tradition they have... (source1) (source2)
Another article I found seems to reject the debunking of these claims, you can view it here.
While I do completely support Israel and despise Hamas or children being married off, I do however not appreciate propaganda as it twists the truth and therefore stoops us to the low level of using propaganda as a tactic like Hamas always does...
However, I am going to leave this video here, as an Imam around 1m:05s, speaks about the acceptable age that a girl can marry and have sex according to Islam, it is highly disturbing...
I will also continue to verify the authenticity of the persons claims in this video...
