During another parley, Schomberg rejected a demand that the garrison be allowed to surrender with the honours of war, to be able to march away with their weapons to the nearest Jacobite garrison, and insisted on unconditional surrender. Many of the garrison wanted to agree to the terms, but a group led by Colonel Owen MacCarthy and Governor MacCarthy More were determined to hold out. Williamite fire had created a breach near the North Gate, but at night, the defenders desperately tried to fill it in and make other running repairs on the defences.Childs pp.152–53
