UPDATE: The Maryville Police Department has identified the officer who was injured during the motorcade for Vice President JD Vance.

Field Training Officer Justin Brown suffered significant injuries and was taken into surgery Saturday morning at 10:00am, the department said.

Several citizens who witnessed the crash stepped in to administer first aid, helping save the life of the officer, according to Chief Tony Crisp.

"To those individuals whose quick response saved FTO Brown's life last night, we can't thank you enough. You are true heroes," Crisp said.

Crisp thanked everyone for the hundreds of messages, emails, and phone calls as well as the thousands of responses over social media.

"We are grateful for each and every one and appreciate the prayers and support from all over the st

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