Medical helicopter collision:

What: Bell 407 helicopter operated by Air Methods out of Englewood, Colo.
What: Bell 407 helicopter operated by Classic Helicopters of Woods Cross, Utah.
Where: Flagstaff Medical Center
When: Sunday
Who:Air Methods: 3 fatalities, including a patient;
Classic Helicopters: 3 fatalities plus one critical injury-- pilot, paramedic and patient died. Flight nurse in critical condition
two emergency ambulance ground crew suffered burns. Names not released.
Why: Flagstaff Medical Center doesn't have flight controllers.