Green MP Golriz Ghahraman says MPs and breakfast "shock jocks" are among those responsible for the hate speech that led to the mosque shootings.
Ghahraman, who was herself a refugee to New Zealand, used a condolence speech in Parliament this afternoon to criticise her parliamentary colleagues.
"The truth is that this happened here, and it began with hate speech, allowed to spread here online. History has taught us that hate speech is a slippery slope to atrocity," she said.
"The truth is that we as politicians, and I mean on all sides of this House, are also responsible."
"There sit among us those who have for years fanned the flames of division in here and out there. Blamed migrants for our housing crisis.
"There sits among us here [those] who deliberately spread hysteria about the UN Migration Compact," Ghahraman said.
"We've pandered to the gratuitous racism by shock jocks on breakfast shows to raise our own profile," she said.
Ghahraman said the Christchurch mosque gunman's plans for Friday's shootings went unchecked by authorities.
"White supremacy was not seen as a pressing threat, even as some in the Muslim community were.