Keith Ellison resigned from his post as Democratic National Committee deputy chairman on Thursday following his victory in Minnesota's hotly contested attorney general race.

In an emailed statement to DNC members, chairman Tom Perez announced Ellison's departure and praised the outgoing congressman as a "full-time champion" for Democratic Party issues, such as affordable health care and "opportunity for all."

"His tireless service as deputy chair enabled us to make substantial progress in rebuilding our party and rebuilding trust with our grassroots," Perez added in his statement.

Ellison won a tight race for Minnesota's attorney general on Tuesday against Republican Doug Wardlow, despite facing allegations that he had physically abused his ex-girlfriend.

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