The Allegheny County Board of Elections certified the results of this month’s municipal election Monday, officially marking Mike Embrescia’s last day in local office.

Mr. Embrescia, the outgoing Republican at-large county council member, will be succeeded by Alex Rose, a former Democrat who ran as an independent and defeated Mr. Embrescia in a special election, which became the subject of a lawsuit that made its way all the way up to the Pennsylvania Supreme Court.

His departure will mark the first time a Republican has not held one of the two at-large seats on county council since the 15-person governing body was created a quarter century ago.

On Tuesday, on his first day out of office, Mr. Embrescia, co-owner of Carnegie Robotics, spoke with the Post-Gazette in a wide-ranging intervie

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