Hayden Panettiere death case: Boyfriend was at apartment when his brother found actress 'unresponsive'

Hayden Panettiere's on-and-off boyfriend Brian Hickerson and his brother Zach Hickerson were at the South Carolina apartment where the actor died over the weekend, according to a police report released Tuesday.A Greenville police officer who responded to the residence Sunday afternoon was met by the brothers and then observed paramedics performing CPR on an unresponsive woman, the report states."The patient did not seem to have any obvious physical reasons to be unresponsive," the officer notes. After attempting lifesaving measures, the emergency workers declared Panettiere dead at 2:31 p.m.No cause has been determined and her death remains under investigation. An autopsy found no signs of trauma and police said officers saw no signs of foul play.Boyfriend's brother discovers actress 'unresponsive'As per a report by TMZ, Brian and Hayden were spending the afternoon at an Airbnb in Greenville, South Carolina, on Sunday when Zach Hickerson entered the residence.