Within a month of landing, Stuart had raised a force of 1,600 men from various Scottish clans, and began to march south, increasing his numbers to 2,500 by mid-September, when he entered Edinburgh. As the Prince advanced, the Duke of Cumberland assembled his English regiments in Flanders and then had them transported to England, arriving in London on 25 October and joining the rest of the English army at Lichfield. However, the advice of several of his senior officers, combined with a lack of support from the French and English Jacobites, prompted Stuart to order a retreat, his forces moving back north towards Scotland with the English army in pursuit. On 16 December, the advance guard of the English army, which included the King's Own Dragoons, managed to overtake the Jacobite rearguard and laid an ambush. The ambush did not completely succeed due to it being performed in the dark, and the English forces suffered more casualties than they inflicted. The regiment dismounted and fought as infantry during the ambush, clashing repeatedly with the Jacobite forces and engaging in hand-to-hand fighting, suffering a number of casualties. The regiment then re-mounted and pursued the Jacobite rearguard to Carlisle, being stationed near the town until it surrendered on 30 December. The records for the regiment for the next year are vague; it appears that it did see action during the Battle of Culloden in 1746, but there are no details. After the English victory at Culloden, the regiment advanced into Scotland with the rest of the English army, before being detached to Dundee; after the rebellion had been suppressed, it moved to York, where it guarded Jacobite prisoners.