<p>Fighters from the US-backed Syrian Democratic Forces advanced towards Islamic State’s de facto capital of Raqqa from eastern, southern and western sides on June 7.</p><p>The forces captured Harqalah castle to the west of Raqqa city following fighting against IS militias, Kurdish media said</a>.</p><p>An anti-IS monitoring group reported on heavy fighting to the west</a> and north</a> of the city.</p><p>This video was shared by an SDF account and is described as showing fighters raising flags Harqalah castle.</p><br />
