The first officers to arrive at the scene will not stop to help the injured.
Until the area is secured, you may have to treat the injured as best as you can. Remember basic first aid: for bleeding apply pressure and elevate. To apply pressure, use items such as clothing, paper towels, feminine hygiene products, or newspapers.
Expect rescue teams of additional officers and emergency medical personnel to follow the initial responding officers. The rescue teams will treat and remove injured people