http://news.iheart.com/onair/big-rig-32040/breaking-drone-hits-southwest-plane-tears-13704361/

Looks kinda Fake ... 

Looks like a fake video...I don't think that's possible as Aeroplane parts are made quite strong(duraluminium and reinforced with glass and carbon fiber). The video shows the plane's wing has been cut off as if it were butter. RC planes are not that strong enough to break a plane's wing away and if you look carefully the rc plane does not encounter any damage! Quite strange!
(Experts please correct me if i am wrong)
Possibly its not anything related to RC! 

Definitely fake
Heres a CGI workflow of it-
www.youtube.com/watch?v=GS3nb4bwHKQ&feature=youtu.be

Though himadri i disagree with you, at the speed that the plane is going at a small stone can damage it. And it will sustain serious damage if a CF frame multi hit it like that, the multi will break too ofcourse. I think this will be a good test to see if well made katanas can cut through anything by attaching it to a multi and slicing wings of planes

The relative speed would be such that the Multicopter would not be visible in the video at all.... Here you can clearly see it... Obviously a fake video

Planes are made with high quality material so that even if a bird clashes with it it can sustain it at that speed and a multirotor is no less than a bird so it would maximum chip something off but the way the hole thing flies away is hilarious
Wonder why people photo shop all this

I lost a dear friend ! bird broke through the Armoured Wind shield and embedded into him killing him instantly ! and it was a small bird ! quad like this, if it hits result can be catastrophic to say the least

The last thing we need, was such news! Not good, whether it's true or not.. Hope it is as fake as the kfc's mouse episode..