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
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