India, Aug. 21 -- Hayden Panettiere's death remains under investigation as new details emerge about her final hours, including who was with her at the South Carolina apartment and boyfriend Brian Hickerson's first statement since her death.

Hayden Panettiere's boyfriend, 37, is speaking out for the first time since her death. Brian Hickerson's attorney, Sloan Ellis, released a statement on his behalf to TMZ on Thursday, August 20, four days after the "Nashville" alum died at the age of 36.

"Hayden's death remains under investigation and it is important to allow that investigation to proceed," Ellis said. "As has been publicly reported, police confirmed there were no signs of foul play."

"Out of respect for Hayden's loved ones and the o...