"As the guard worked, the group attacked, knocking the 57-year-old to the ground and leaving him unconscious."
I joked earlier in this thread about how we're all gonna just take the security guard's side apparently, but it seems that was the right side to take in this case. Newspapers can be biased of course, but if this is what occurred, an attack rather than self defense, over a skateboard trick? Dude is disabled for life.