U.N. peacekeepers' "freedom of movement is severely constrained in the current context," a U.N. official told Newsweek.

Israel acknowledged that its troops had crossed over the buffer zone in the occupied Golan Heights into Syrian territory following a ground assault and airstrikes. NBC News’ Raf Sanchez reports on the movements of the Israeli military since the fall of the Assad regime.

Rebel forces in Syria captured the capital Damascus and toppled the regime of President Bashar Assad in a lightning-quick advance across the country.