Quick thinking Pilot descends to avoid another aircraft

[SWAMECH3]

Not good when the Pilots have to make such a quick maneuver to avoid traffic. The real question is, why did they have to do it in the first place? We will find out in time soon. Hope all the passengers are ok, and F/A's get well soon.

https://www.google.com/url?rct=j&sa=t&url=https://www.reviewjournal.com/local/local-las-vegas/2-hurt-as-southwest-flight-headed-to-las-vegas-plunges-after-takeoff-3403505/&ct=ga&cd=CAEYACoTMzcwMTk5MDUyNzIzMDY5NTAzOTIaZDViOWMyODc5Y2FhNWQ0MTpjb206ZW46VVM&usg=AOvVaw2t0ZNFBehcCVOlNbkuq_Vg