In the morning of the 21st enemy patrols infiltrated into American positions near the Ober Olmer Wald inflicting some damage before they were finally eliminated. At Hahnheim was discovered a strong force which rejected all demands to surrender. Division artillery plus the 8-inch guns of Corps proceeded virtually to annihilate the town. Seventy Germans were killed ; 120 reconsidered the surrender demands. The 90th suffered no casualties in the encounter.