 Nogales, Sonora, and Nogales, Arizona are immediately opposite each other on the U.S.–Mexico border, so on August 12, when the Teresitas attacked, the Mexican consulate, Manuel Mascarena, requested aid from the Americans in or around the American Nogales.A militia was hastily assembled on the Arizona side of the border and sent in to help rout the rebels during the battle.On the next day Brigadier General Frank Wheaton dispatched elements of the 24th Infantry.