(NBC NEWS) Updated at 5:45 p.m. ET: The 20 children and six adults killed in the Newtown school massacre were all shot multiple times, many with a rifle, Connecticut’s chief medical examiner said Saturday.

The children – 12 girls and eight boys – were all 6 or 7 years old, Dr. H. Wayne Carver said at an afternoon news briefing.

“This is a very devastating set of injuries,” Carver said. “I believe everyone was hit more than once.”

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