On April 15, 1885, 200 Cree warriors attacked Fort Pitt. The group of warriors intercepted a police scouting party, they killed on constable, wounded another, and captured a third one. The group of Cree warriors who surrounded Fort Pitt was Mistahimaskwa's band. The fort was surrounded and outnumbered, the war commander Francis Dickens agreed to negotiate with the Cree attackers. The two groups negotiate the evacuation of the fort by the North West Mounted Police. Big Bear, leader of the Cree warriors, released the two police officers but kept the townspeople as hostages and the continued to destroy the fort. Six days later, after escaping, Inspector Dickens and his men reached the safety of Battleford.