Deputies waited on the governor of the castle and obtained a respite from the cannonading for a few days ; but a centry of the Pretender's army in the mean time firing at some people who were carrying provisions to the garrison, a sharp attack commenced, which did considerable damage to the buildings, and killed many of the citizens; this induced the Chevalier to take off the blockade of the castle, and the firing was then discontinued.
Source: wiktionary