The Taliban claimed victory on Monday in the last part of Afghanistan still holding out against their rule, declaring that the capture of the Panjshir valley completed their takeover of the country and they would unveil a new government soon.

Pictures on social media showed Taliban members standing in front of the gate of the Panjshir provincial governor's compound after days of fighting with the National Resistance Front of Afghanistan (NRFA), commanded by Panjshiri leader Ahmad Massoud.

"Panjshir, which was the last...