Guatemala declared that it would do the same. The editors of the Weekly Standard explain why this matters:

Of the millions of so-called Palestinian refugees the world over, most are in fact not refugees by any standard definition, but are properly speaking the descendants of refugees, often kept in a permanent state of segregation and dependency by Arab regimes. But as a consequence of the Syrian civil war, numerous Palestinians living in Syria have become actual refugees, fleeing to countries like Lebanon. Khaled Abu Toameh explains their current discontent with the Palestinian Authority (PA) and its leader, Mahmoud Abbas: