Aslam-o-alikum dosto...

Dosto mujay ye pochna tha k aksar maine dekha hai k jab koi harsa hota hai to uski khud say video banaty han news walay.
Mean bus main blast ho to wo video is tarha hoti hai k ek bus aa rahi hai aur blast ho jata hai.
Wo video kesay banaty han?
Plzzz tell me.