India, Aug. 18 -- Wladimir Klitschko, Hayden Panettiere's former fiance, has publicly addressed the tragic news of the actress's untimely passing at the age of 36.

The 50-year-old ex-heavyweight boxing champion conveyed his feelings of "shock and grief" in a heartfelt statement posted on social media on Tuesday morning.

Hayden, renowned for her performances in Heroes and Nashville, passed away in Greenville, South Carolina, on Sunday, August 16, merely one week prior to her 37th birthday.

Wladimir, who has an 11-year-old daughter named Kaya with Hayden, shared a family photo accompanied by a touching message that stated: "Our family is going through a time of profound shock and grief."

"The announcement of Hayden's tragic death sadden...