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
Coshocton, Ohio moved further west to the Sandusky River area, closer to the British Fort Detroit. From there the British and Lenape raided colonial frontier settlements. The Lenape sympathetic to the new United States stayed near Coshocton. Chief Newcomer signed the Fort Pitt Treaty of 1778, by which the Lenape hoped to secure their safety during the War, and he promised scouts and support to the rebel colonists. They also hoped to lay the base for a Native American state in the new nation. In retaliation for frontier raids by hostile Lenape and British, Colonel Daniel Brodhead of the American militia ignored