UPDATE, 10/3 12:47 am:  Ultimate Classic Rock says Tom Petty's daughter has confirmed the rocker's passing. “On behalf of the Tom Petty family, we are devastated to announce the untimely death of our father, husband, brother, leader, and friend Tom Petty.”

UPDATE, 5:37 pm:  Although some news outlets have reported that Tom Petty has passed away, the Los Angeles Police Department says it has yet to officially confirm his death.

UPDATE, 4:06 pm:  Rolling Stone has reported that Tom Petty has died at age of 66.

Rock and Roll Hall of Famer Tom Petty is reported to be in critical condition, after being found unconscious and in full cardiac arrest in his home.

Petty has been taken off life support according to reports and is said to have no brain activity. He was rushed to UCLA Santa Monica Hospital Sunday night.

We'll post updates on this story as more information becomes available.