However, the French leader ruled out sending ground troops to Syria and said nothing should be done that could strengthen the country's leader, Bashar al-Assad, or help him remain in power. "In the end, Assad must go," Hollande said.

"In the end, the war must go on"

And the war, not IS or Assad or Al Nusra or alleged moderates or kurdish militias, is what most people are fleeing. In general, it is when a side advances that people - who were living on the land where the advance is going on - flee, so more should right now be fleeing the Assad government then IS. To stop the war either one side needs to win or there needs to be peace conferences with all involved parties in Syria. To get to a peace conference the backers in US, Russia, Turkey and Saudi arabia needs to agree on a need for peace.