Turkey warns of retaliation in case of threats

 The Kurdish-Arab alliance of SDF has entered the Daesh-held city of Raqqah, hours after it kicked off a major operation to dislodge the terrorists from the city in northern Syria. A commander for the Syrian Democratic Forces said the troops entered the city from the east while fierce clashes are underway in the northern and western fronts. A UK-based Observatory group reported advances by the SDF on the outskirts of the city. Meanwhile, Turkey has warned it would retaliate if the Raqqah operation poses threats. SDF has long envisaged recapturing Raqqah from Daesh. The operation is expected to be tough as Daesh terrorists have already erected defenses to protect their self-declared capital. The terror group is suffering great losses in neighboring Iraq.