"While families in Christchurch mourn for loved ones they've lost, an obscure Australian Senator saw this act of terrorism and tragedy as an opportunity to blame the murder victims".
Meanwhile, he has also received more than 30,000 comments of praise from all over the world including the Netherlands, Morocco and Egypt.
Vision live streamed on social media showed Senator Anning punching the teenager twice before others pinned the youth down on the ground, and police arrived.
The young male was then led away by Victoria Police staff.
Senator Anning says he opposes any form of violence within the community and totally condemns the actions of the gunman.
"I wonder if there will be as much outrage from the left wing when the next Muslim terrorist attack occurs?"
Senator Anning responded: "Well he's obviously a little on the insane side, but yeah".
Video of the incident, showing the teen sliding up behind Anning while he spoke to reporters, immediately went viral.
Australian Prime Minister Scott Morrison said the attack was carried out "by an extremist right-wing violent terrorist".
Labor frontbencher Tony Burke described Senator Anning's comments as "hate speech", and told the ABC "the normalisation of bigotry is something that is not only confined to him".
A fundraising page was quickly set up to buy "more eggs" and collect donations to cover his legal fees. "He should be, frankly, ashamed of himself". "What a difference an egg makes", one Twitter user wrote.
According to media reports, the mass shootings, which took place at 1.40pm (8.40am Malaysian time), claimed the lives of at least 49 people and injured dozens more.
News.com.au political reporter Sam Clench wrote: "The Australian senator now spewing racist garbage in response to the New Zealand mosque attack got 19 votes at the last election".