 On 9 May 1691, a French convoy reached Limerick with General Charles St. Ruth, two lieutenant-generals, d'Usson and de Tessé, and Brigadier Luttrell and Colonel Purcell, and also a considerable quantity of arms, ammunition and supplies.There was confusion over who was now in charge of the army.St Ruth claimed command while Tyrconnell still claimed viceroy authority and ultimate control of the army.