Fort Pitt (Pennsylvania) among Native Americans devastated the tribes of Ohio Valley and the Great Lakes areas. On August 1, 1763, most of the American Indians broke off the siege to intercept the approaching force under Colonel Bouquet. In the Battle of Bushy Run, Bouquet fought off the American Indian attack and relieved Fort Pitt on August 10. In 1772, after Pontiac's War, the British commander at Fort Pitt sold the building to two colonists, William Thompson and Alexander Ross. At that time, the Pittsburgh area was claimed by the colonies of both Virginia and Pennsylvania, which struggled for power over the region.
Siege of Fort Detroit stopped at Point Pelee on its way to Detroit. Unaware of the ongoing siege, Cuyler and his men made camp without taking extra security precautions. About 200 Indians attacked, killing or capturing 61 of the 96 men of Cuyler's expedition. Those who escaped made their way to Fort Sandusky, but found it destroyed, and so they returned to Fort Niagara. The Indians took their captives to Detroit, where they were tortured and mutilated. The bodies were then tossed into the river to float by Fort Detroit, which undermined morale in the fort. Late in July, 260 British reinforcements under the