(FOX NEWS) URGENT: Twenty-seven people, including 20 children, were killed Friday when a gunman clad in black military gear opened fire inside his mother's kindergarten class at a Connecticut elementary school.
The shooter, who sources identified as Adam Lanza, 20, gunned down his mother and her entire class at Sandy Hook Elementary School in Newtown, Conn., according to sources. Lanza was found dead inside the school, according to officials. Eighteen of the children and six more adults were dead at the school and two more children died later, according to Connecticut State Police Lt. Paul Vance.
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Vance would not confirm the shooter's name, and earlier in the day there were conflicting reports over the gunman's identity. Law enforcement sources told FoxNews.com the shooter was Lanza. His brother, Ryan Lanza, 24, was in custody, but it was not sure if he faced charges.