GALLUP, N.M. (AP) — The Navajo Nation has opened a new police substation at the tribe's Twin Arrows casino and resort in northern Arizona. The 15,000-square-foot (1,394-sq. meter) building will provide emergency response services for the resort and Navajo communities in the area, including Leupp and Dilkon. The Gallup Independent (https://goo.gl/RZlBna ) reports that tribe's gaming compact with Arizona mandated that the Twin Arrows casino have a police substation. The building includes office space, living quarters for personnel, holding cells, training rooms and a garage for firetrucks. Twin Arrows is about 25 miles (40 kilometers) east of Flagstaff, while Leupp is about 50 miles (80 kilometers) northeast of the casino resort. The Navajo Nation Council approved $4.5 million for the substation in 2016l.