Because of all of the heilo traffic, flying pd in & critically injured pt.’s out. A “Crit. Lifeguard” flight takes priority in flight.
At this point, from the scanner and different news channels, it sounds as though there are two shooters down, the situation is still fluid and they just sent in the same people that helped catch the Boston bombers.
All this unconfirmed, just gathered from scanner and various news sources.
Channel 0-11 is the new channel that they are using for information on incident.