 This caused a protest from Maronite authorities, leading to citizenship being given to all Christian refugees who were not already citizens.In the 2010s, many Palestinian refugees in Lebanon began immigrating to Europe, both legally and illegally, as part of the European migrant crisis, due to a deterioration in living conditions there as part of the Syrian civil war.In December 2015, sources told "Al Jazeera" that thousands of Palestinians were fleeing to Europe by way of Turkey, with about 4,000 having fled the Ain al-Hilweh camp alone in recent months.