At around 6:36 p.m., an ammonia detector near the mall’s ice skating rink alerted staff to a leak, officials said. Crews evacuated the area surrounding the ice rink and stopped the leak by 7:04 ...

dumbbell-shaped mall. The complex will feature a water park with a giant indoor pool, an indoor ice rink, an artificial ski slope, "submarine" rides, dozens of restaurants, and up to 1,200 stores.