Atlanta officials rejected activists' signatures to halt a police training center, causing further controversy.
Activists claimed over 116,000 signatures, enough for a vote on "Cop City."
Officials refused to verify forms, citing a missed deadline, causing legal uncertainty.
The Vote to Stop Cop City Coalition accused the city of stonewalling democracy.
The city awaits an appeals court decision on the deadline extension's legality.
Signature-gathering was historic, but the City Council approved the project despite opposition.
Organizers cite opposition to militarization and environmental damage in a Black community.
The referendum aims to cancel the $10/year lease with the Atlanta Police Foundation.
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