The US-backed Syrian Democratic Forces (SDF) coalition breached the Old City in Syria's Raqqa, the coalition said on Monday.
The advance came after the US-led coalition fired on two small sections of the historic Rafiqah Wall, allowing them to overcome Daesh defences, said Ryan Dillon, spokesperson for the US-led coalition against Daesh.
"The portions targeted were 25-metre sections and will help preserve the remainder of the overall 2,500-metre wall," he said in his Twitter account.
— OIR Spokesman (@OIRSpox) 4 July 2017
The SDF is an alliance that was formed in 2015 and dominated by the YPG.
YPG is the Syrian extension of PKK, which is listed as a terror organisation by the US, the EU, and NATO.
TRT World's Yasin Eken brings the latest from Gaziantep on Turkey's border with Syria.