Kari Lake closes campaign office over envelope with white powder – reports

Arizona Republican gubernatorial candidate's staffer opened the envelope and is under medical supervision, spokesperson says

Arizona's Republican gubernatorial candidate Kari Lake closed a campaign office after an envelope containing suspicious white powder" was delivered to the premises on Saturday, according to reports.

A member of the candidate's staff unwittingly opened the envelope and is now under medical supervision", campaign spokesperson Colton Duncan told CNN.