Two news helicopters in Phoenix, Arizona collided in mid-air Friday while covering a police pursuit. A total of four people died, two from each chopper. It could have been worse; there were five news helicopters in the air for that story, plus one police helicopter.

Here's today's story: Deadly chopper crash triggers probe 

Here's the original news story: News helicopters collide, crash; four dead

Here's some video of a fellow pilot reacting to the crash.