Turkish President Tayyip Erdogan welcomed an agreement between the Kurdish-led and U.S.-backed Syrian Democratic Forces and Syria's new government, saying all Syrians stood to gain from the deal.

The agreement marked a major victory for Damascus in its quest to unify the country, as violent unrest continues to grip Syria’s coastal region.

The militia alliance that controls much of north-eastern Syria will merge with new state institutions, the presidency says.

Turkey is "cautiously optimistic" about an agreement between the Kurdish-led and U.S.-backed Syrian Democratic Forces (SDF) and Syria's new government, a Turkish official said on Tuesday, adding it wanted to first see how it would be implemented.

Agreement appears to fulfil some key Turkish demands but Ankara will remain vigilant about how the SDF dissolves

Syrians from around the country celebrated an agreement signed by interim President Ahmed Al-Sharaa with the Syrian Democratic Forces to join new state institutions. The accord comes at a critical moment as Sharaa grapples with the fallout from deadly clashes between Syrian forces and militants loyal to ousted President Bashar al-Assad.