(Vegas shooting) Among 1,500 plus calls dispatchers answered within the first two hours of the shooting were 16 false calls.

http://amp.wsbtv.com/news/national-news/ap-top-news/vegas-shooting-report-radios-responders-were-overwhelmed/821837110 > They include reports of an unattended backpack at an emergency medical site, a hotel fire, and active shooters at casinos and the nearby airport. One report said 20 hostages were being held at the New York-New York resort.