 Scott rebuilt the castle in the following year.He was a principal leader of the raid to Stirling on 4 September 1571, when an attempt was made to seize the Regent Lennox, who was slain by one of the Hamiltons during the mêlée.Buccleuch, who had interposed to save the Regent Morton, his kinsman, whom the Hamiltons intended also to have slain, was during the retreat taken prisoner by Morton, and was for some time confined in Doune Castle in Menteith.