 At that point the South Vietnamese found large PAVN forces to their rear and for the armored units the withdrawal became an attack to the south.The 2nd Squadron attacking south to secure the bridge over the Vinh Phuoc River at midmorning on the 28th, was badly battered in a PAVN ambush.The commander lost control of his unit and the surviving vehicles, after crossing the bridge, continued to the south in disarray.