The 22-year-old subject of a viral Old Town arrest video that swirled around social media this weekend "hit an officer multiple times and grabbed an officer by the throat" before a Fort Collins police officer threw her to the ground, according to her arrest affidavit.

The document, obtained by the Coloradoan on Monday afternoon, includes new details about the arrest of Colorado State University student Michaella Surat and identifies the arresting officer. Surat sustained several bruises and a concussion from the Thursday evening incident, attorney Andrew Bertrand told the Coloradoan.

Fort Collins Police Services Officer Randall Klamser arrested Surat about 11:30 p.m. Thursday, according to the affidavit. FCPS confirmed early Monday night that Klamser was the officer shown in the video throwing Surat to the ground near the Bondi Beach Bar, according to police.

"Surat resisted arrest and required force to be arrested," reads the affidavit, which Fort Collins Police Services Officer Erin Mast filled out for Klamser.

Read more at the Coloradoan: