Sauce: https://www.thisisinsider.com/new-zealand-mosque-shooter-gun-wrestled-away-chased-survivor-2019-3

Syed Mazharuddin, who witnessed the shooting at the Linwood Mosque in Christchurch, New Zealand,

Is this the same Syed Mazharuddin as this You Tuber:

https://www.youtube.com/channel/UCVDEs_mZ6zS3WNcCyFo4__Q

That just happens to have a video uploaded 3 years ago of a live Murder titled Gulbaraga live murder.

https://www.youtube.com/watch?v=YLBWDP3a6Mo