05/25/2009 at 10:00 PM EDT
Mike Tyson's 4-year-old daughter Exodus is on life support after an accident involving home exercise equipment, the Associated Press reports.
In what police in Phoenix call a tragic accident Monday morning at Tyson's home there, the girl was reportedly found by her 7-year-old brother with her neck caught in a cable attached to a treadmill.
The boy alerted the girl's mother in another room. Her mother called 911 and tried to revive her, according to the AP. Mike Tyson was said to be in Las Vegas at the time of the accident, but has returned home.
Phoenix police Sgt. Andy Hill told FOX News
, “Somehow she was playing on this treadmill, and there’s a cord that hangs under the console – it’s kind of a loop. Either she slipped or put her head in the loop, but it acted like a noose, and she was obviously unable to get herself off of it.”
Emergency personnel performed CPR on Exodus, who was rushed to St. Joseph’s Hospital where she remains on life support, according to the Fox News report. Sgt. Hill described her condition as "extremely critical."
Contacted by PEOPLE, an attorney for Mike Tyson declined to comment on the report.