Newski.tHO shooting players from the ship

[S0n1c]

In the following video you can see Newski.tHO shooting players from the ship: https://www.youtube.com/watch?v=Me1eQa9btoo

Here's some pics incase you cannot see him well in the video: 


When I asked him why he did that, he denied it:
I want to note that this is a repeated behaviour, it's not the first time he does it.