at 16:30, the corps leadership issued orders for a more defensive approach on both sides of the somme, warning against allied counter-attacks from both sides. 2nd panzer division was tasked with the defense of the river between abbeville and the nièvre estuary, 1st panzer division would be on guard between the nièvre and ancre estuaries, and 10th panzer divisions would guard from the ancre estuary up to and including peronné. during the evening's offensive actions, abbeville was secured by midnight, and xix army corps had thus cut through the allied lines towards the english channel, securing the southern flank of 3rd ss panzer, 5th panzer division and 7th panzer division for the battle of arras on the following day and forcing the allies to initiate evacuation actions at northern ports like calais, boulogne and dunkirk.