 The French at Fort Duquesne, whose supply line had been cut by the British victory in the August Battle of Fort Frontenac, made an unsuccessful attack against Fort Ligonier in the hopes of either stopping the expedition or at least acquiring some of its supplies.On November 12, in response to rumors that the French had sent out a raiding force, Forbes sent out a detachment of the Virginia regiment to investigate reports of a French raiding expedition.When sounds of gunfire reached the British camp, Forbes sent a second detachment.