However Ardern says that more had to be done in the wake of the attack, as social media was being used in an \"unprecedented way as a tool to promote an act of terrorism and hate.\"

\"PHOTO:
Chesnot/Getty Images, FILE
PHOTO: French President Emmanuel Macron welcomes New Zealand's Prime Minister Jacinda Ardern prior to their meeting at the Elysee Palace on April 16, 2018, in Paris.
>

“We’re calling on the leaders of tech companies to join with us and help achieve our goal of eliminating violent extremism online at the Christchurch Summit in Paris,\" she said Wednesday in a statement. “We all need to act, and that includes social media providers taking more responsibility for the content that is on their platforms, and taking action so that violent extremist content cannot be published and shared.\"

Ardern described the summit as \"an opportunity for an act of unity between governments and tech companies.\"

“Social media platforms can connect people in many very positive ways, and we all want this to continue,\" she said. “But for too long, it has also been possible to use these platforms to incite extremist violence, and even to distribute images of that violence, as happened in Christchurch. This is what needs to change.”

\"PHOTO:
Carl Court/Getty Images, FILE
PHOTO: Schoolgirls comfort each other as they view flowers and tributes near Al Noor mosque, March 18, 2019, in Christchurch, New Zealand.
>

Twitter representatives did not respond to ABC News' request for comment.

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