Syria's army has commenced concentrated artillery strikes targeting SDF positions inside Aleppo city neighbourhoods.

The Syrian army has declared Aleppo’s Kurdish areas 'closed military zones' and ordered civilians to leave.

The Syrian army has declared Aleppo’s Kurdish areas 'closed military zones' and ordered civilians to leave.

Syria's army has commenced concentrated artillery strikes targeting SDF positions inside Aleppo city neighbourhoods.

'A full curfew' imposed in Sheikh Maqsoud and Ashrafieh, and four nearby areas, Aleppo's internal security command says.

'A full curfew' imposed in Sheikh Maqsoud, Ashrafieh and four nearby areas, Aleppo's internal security command says.

SDF fighters are refusing to leave Ashrafieh and Sheikh Maqsoud areas and intend to 'resist' the Syrian army.

Syrian army has given SDF fighters a new deadline to lay down the arms and has also warned of imminent attacks.

The development comes after deadlines given to SDF fighters to lay down the arms have expired.

Syrian army announces the start of a military operation in the Sheikh Maqsoud neighbourhood of Aleppo.

Al Jazeera's Resul Serdar Atas recounts scenes from Aleppo amid escalating clashes between the Syrian army and the SDF.