sentences:  Royalist engineers mining towards the walls from trenches at the green succeeded in draining the ditch below the walls, but this was not followed up with an assault.By the end of the day the Royalist guns had fallen silent; the evidence suggests they had run out of ammunition.The following day Vavasour received a reinforcement of 500 Glamorgan militia and 450 musketeers from Bristol, while the Parliamentarians bolstered the earthwork defences around the south and north gates.