Police: 14-year-old accidentally shot himself with gun found in Watertown home

A 14-year-old boy accidentally shot himself in the head with an unsecured gun he found inside a home in Watertown.
It happened on Hadley Street in the Oakville section of town around 12:30 p.m Saturday.
The boy was transported to the hospital and is in critical but stable condition.
It is not clear how the boy found the gun or where it was located within the house.