in a written history by muslim chronicle. zubayr, who already figured the stalemate situation, asking permission from 'amr to act, which 'amr approved. later then, zubayr handpicked about 5 warriors to follow him. zubayr personally lead the small company to scale the wall. he first encircling the fortress with his companions with horses while also bringing small portable ladder the byzantine guards caught on surprise as zubayr who climbed first has managed reach the top of the wall and personally killing some guards atop the wall. then zubayr giving signal to his comrades to follow him climbing the wall and they fighting through to reach the gate. zubayr and his men successfully reach and open the gates for the muslim army to enter despite being surrounded by enemies inside.