Gov. Tim Walz on Tuesday called a special election next month for a vacant Roseville-area House seat that helped trigger a power struggle in the Minnesota Legislature. House District 40B has been empty since the beginning of the year after a judge ruled there was enough evidence to prove the Democratic-Farmer-Labor candidate who won the seat in the November election lived outside the district.

A special election will fill a seat won by a Democrat in the November election that came open after a residency challenge. The result could return the Minnesota House to a tie or boost a GOP majority.