Siege of Fort Detroit had apparently been informed of Pontiac's plan, and the garrison of about 120 men was armed and ready. Pontiac withdrew and, two days later, laid siege to the fort. A number of British soldiers and civilians in the area outside the fort were captured or killed; one of the soldiers was ritually cannibalized, as was the custom in some Great Lakes Indian cultures. The violence was directed only at the British: French colonists were left alone. Eventually more than 900 Indian warriors from a half-dozen tribes joined the siege. On May 28, a supply convoy commanded by Lieutenant Abraham Cuyler
Battle of Fort Oswego a threat to the nearby French-controlled Fort Frontenac. The battle was notable for demonstrating that traditional European siege tactics were viable in North America when applied properly in the right circumstances and terrain. Following the beginning of open conflict between French and British colonists in 1754 with the Battle of Jumonville Glen, the governments of Britain and France both sent regular army troops to North America to further contest the disputed territories of the Ohio Country and other border areas, including the frontier between the French province of Canada and the British province of New York, an area in present-day