Authorities on high alert in Arizona for what could happen after polls close | 7.30
Arizona is one of the critical swing states that could help determine the outcome of the election.
Authorities are on high alert for what could happen after polls close.
In 2020 tensions boiled over when pro-Trump protesters gathered outside an elections office, insisting Joe Biden's victory was illegitimate.
Since then, disinformation has gripped the state.
Isabella Higgins reports from Phoenix.
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ABC News In-depth
Welcome to ABC News In-depth, where you'll find our long-form journalism and explainers to help you understand what's going on in the world around you. You'll find all your favourite ABC News programs: Four Corners, Foreign Correspondent, Australian Stor...