 Apparently the rebels has been assured of Royalist support for their stance and at Carmarthen Powell's forces met those of Colonel Fleming and Colonel Horton, who attempted to bring Powell's force to battle near Llangathen resulting in a skirmish during which Fleming in retreat was shot and Horton was forced to withdraw as far as Brecon to resupply.Powell now led his forces to seize Swansea, then Neath before advancing into the Vale of Glamorgan with Royalists rising in support en route, with Cardiff as their aim.Horton headed south from Brecon rapidly and caught Powell's force camped at St Fagans within view of Cardiff and drew them to battle at what became known as the Battle of St. Fagans in May 1648.