...nterrupted march toward the Confederate capital. To open the way for this, his cavalry, during the 7th, pressed southward on the Brock road, where Fitz Lee held them in sharp contention, and on the Catharpin road, where they were equally well met by Hampton's division. He also gave orders for a night march by the Fifth corps, under Warren, along the Brock road, in the rear of Hancock's well fortified l...