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DENVER — The recall effort is intensifying in Colorado.

On Monday, the Colorado Secretary of State, approved a petition to collect signatures to recall Rep. Tom Sullivan (D-Arapahoe). They’ll need over 10,000 signatures to force a recall election.

Sullivan was a main sponsor of the new “Red Flag Law” in Colorado. Sullivan went viral on the internet regarding his support for the bill. Sullivan lost his son Alex in the Aurora theatre shooting.

Rocky Mountain Gun Owners, a pro second amendment group in Colorado, had teased recalls earlier on social media.

The controversial legislation would allow family or law enforcement to seek a court order to have guns seized if they believe the owner is a threat.

If approved, a subsequent court hearing would be held to determine whether to extend the seizure, up to 364 days.

Former Rep. Rochelle (D-Greeley) was facing a recall election. She abruptly resigned over the weekend ending those recall efforts.