US President Biden described it as a "fundamental act of justice" but also a "moment of risk and uncertainty".
Thousands of Syrians that fled the country during President Assad's rule have been returning via neighbouring countries.
Former UK Middle East minister Alastair Burt says it's a significant moment.
IN: "For...
OUT: ...to them."
DUR: 12 seconds
http://www.fsnradionews.com/feeds/1208syria-burt1.mp3