Hayden Panettiere's Last Moments: What Really Happened?

Brian Hickerson’s brother, Zach Hickerson, claimed in a new interview that Brian gave his girlfriend Hayden Panettiere CPR and administered Narcan in the frantic moments after she was discovered unresponsive.

“Brian gave her Narcan,” Zach told TMZ on Friday, noting that he’d gone to the Greenville, South Carolina, Airbnb where the “Heroes” actress and Brian were staying.

After waking Brian up from a nap, he claimed to the outlet, they found Hayden unconscious, and Zach called emergency services while Brian gave her Narcan — a medication for opioid overdoes.