Monmouth then marched overnight to Frome, arriving on 28 June. The morale of Monmouth's forces started to collapse as news of the failure of the rebellion in Scotland arrived that day, while the makeshift army was camped in Frome. Argyll's small force had been involved in minor skirmishes at Greenock and Ellangreig. He took Ardkinglass castle, but after disagreements with key supporters about when and where to fight the royalists commanded by Rosse and William Cleland, his supporters dwindled away and the Scottish rebellion failed.