kautz then launched his main attack by the 11th pennsylvania against the home guard, a group consisting primarily of teenagers, elderly men, and some wounded soldiers from city hospitals. the home guards retreated to the city with heavy losses, but by this time beauregard had been able to bring reinforcements from richmond to bear: the 4th north carolina cavalry, part of the 7th confederate states cavalry from the bermuda hundred line, and an artillery battery. they were able to repulse the union assault. kautz, hearing no activity on gillmore's front, presumed that he was left on his own and withdrew.