Rebel officials said it was impossible to pinpoint positions held by Nusra Front
It would also be conditional on the al Qaeda-linked Nusra Front no longer being targeted
The rift between them is getting deeper, although mediation continues.
The second phase of the deal would see government institutions reopen in the neighbourhoods and "the necessities of daily life would...
Senior international envoys began gathering in New York on Thursday to seek U.N. backing for an ambitious U.S. and...
A new ceasefire went into effect on Sunday
The Pentagon and the White House declined to discuss the decision on rules of engagement.
Nusra Front, designated by Washington as a terrorist organization, has a track record of crushing other rebel groups
No group announced responsibility for the blast, but supporters of Nusra Front blamed rival ultra hardline Islamic State militants.
It is at least the second high-level visit to Homs since the fall of Palmyra.
The head of al Qaeda's Syria wing Nusra Front said his group had around 30 percent foreign fighters including "a small...
The government is confident the army can defend crucial territory with the help of its allies.
A coalition of Islamist rebels seized an army base in northwestern Syria at dawn on Monday