Afghanistan, Aug. 3 -- A clash erupted near Manbij between Syria's army and the U.S.-backed, Kurdish-led Syrian Democratic Forces, leaving injuries and raising tensions over territorial control and agreements.

Syria's Ministry of Defense reported that a U.S.-backed, Kurdish-led Syrian Democratic Forces (SDF) attack near Manbij injured four Syrian soldiers and three civilians.

The state news agency SANA condemned the strike as "irresponsible," while the SDF has not yet issued any response to the allegations.

A Turkish Defense Ministry source warned that the SDF must prove its commitment to a recent agreement with Damascus and respect Syria's territorial integrity.

Turkey, which considers the SDF a "terrorist organization," has repeatedly...