Sturgeon Lake Cree Nation has asked a court to halt the separatist push, arguing it would violate their treaty rights

A First Nation in Alberta has said that a separatist push for the province to secede from Canada is “consummately irresponsible and dishonourable” and should be shut down, arguing in court that a proposed referendum would violate their treaty rights.

A minority of residents of the oil-rich province have long argued that the province’s woes are due to the structure of payments to the federal government and a perceived inability to get their vast fossil fuel reserves to market.

In recent months, separatists have seized on the sentiment and collected nearly 180,000 signatures to request a referendum. But the Sturgeon Lake Cree Nation, near Edmonton, has asked a court to halt the campaign.

The hearing, which began on Tuesday, is expected to last three days.