Shortly after Hoskyns (commanding the 1st RB) was mortally wounded, Lieutenant Colonel Keller, commanding the 3rd RTR, decided that his few remaining tanks under shellfire near the Bastion de l'Estran, could no longer play a useful part in the defence. He ordered them to withdraw eastwards through the sand dunes north of the  while he himself tried to evacuate  men from Bastion No. 1 to the sand dunes; the wounded were captured a short time later.
Colonel Hoskyns, commanding the 1st RB and mortally wounded shortly after, Lieutenant Colonel Keller, commanding the 3rd RTR, realized that his remaining tanks under shellfire near the Bastion de l'Estran could no longer serve in defence. He ordered them to withdraw eastwards through the sand dunes north of the area while he attempted to evacuate men from Bastion No. 1 to the sand dunes; the wounded were captured soon after.