Today we mourn with our Muslim brothers and sisters all those killed and injured in the Christchurch terror attack, and send our solidarity and condolences to their families and friends. Today we condemn these horrific attacks and their rightist perpetrators, and voice our outrage at the anti-Muslim, anti-immigrant, racist and anti-worker prejudices that fuelled the murders. Today, across the country and around the world, there are vigils and rallies where those who abhor this terrible crime can publicly repudiate both the crime and the racist ideology which generated it. That is the best possible immediate response.

Tomorrow we organise to put an end to such attacks.

And when we organise, we need to consider carefully the political basis on which we do so. For already the political manoeuvring in response to the atrocity is in motion, and political leads that confuse the issues, disguise the source of the violence, and…