A ten year old boy died Friday after he was pulled from the St. Croix River in Washington County.
Authorities say the boy went missing at William O'Brien State Park just before 3:00 p.m., and was found underwater ninety minutes later.
First responders tried lifesaving measures, but the boy died later at Regions Hospital in St. Paul.
It's not known how the boy got into the water unattended.
The boy's name has not been released.





