The Prime Minister says the Christchurch Call has done good work.

The Government has decided to pull taxpayer funding for the initiative, launched by former Prime Minister Jacinda Ardern after the Christchurch mosque attacks.

From July, it will run off donations with Ardern staying on as patron - rather than New Zealand's special envoy for the foundation.

Chris Luxon says eliminating violent extremism online is a very tough task.

"But actually, the work of coordinating tech players to see what they can do to eliminate it is actually a good thing. And it's a good mission."

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