The Michi­gan Leg­is­la­ture on Sat­ur­day issued a sub­poe­na to state elec­tion offi­cials as Repub­li­can law­mak­ers launched an inves­ti­ga­tion of what they say are pos­si­ble elec­tion irreg­u­lar­i­ties in Michigan.

The rare Sat­ur­day state leg­isla­tive hear­ing, a joint hear­ing of the House and Sen­ate Over­sight com­mit­tees, took place at about the same time that major net­works and oth­er news orga­ni­za­tions were declar­ing Demo­c­rat Joe Biden the elec­tion vic­tor over Repub­li­can Pres­i­dent Don­ald Trump, based on vote counts show­ing Biden had won enough states to reach the required thresh­old of 270 elec­toral votes.

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