Have to read both articles again, and go through the text with a fine tooth comb...
My impression is, the video snips you see are from the aftermath of the LINWOOD mosque shooting, the video of the al Noor mosque has been censored and TOTALLY REMOVED.
All that is left of the first event is the analysis here:
Aha, that’s the article I was trying to find. At least that is still up. I should copy it all.