Gunfire in an elementary school in Newtown, Conn., Friday, killed at least 26 people, including up to 18 children, police said.
At least one gunman was involved, but a second man was in police custody.
"I saw some of the bullets going past the hall ... then the teacher pulled me into her classroom. ... It sounded like someone was kicking the door," one child told reporters.
The gunman's body was reportedly found at the scene. He was described as about 20 years old. He was armed with two weapons, police said.
A second man was escorted out of nearby woods and taken into custody saying, "I did not do it," CNN reported.
Three wounded victims were were treated at a nearby hospital. Two adults were found hiding in a closet in the school, CNN said.
CBS reported the preliminary investigation indicated 26 people were killed, including as many as 18 pupils, at the Sandy Hook Elementary School in the small, scenic town about 45 miles southwest of Hartford and 80 miles northeast of New York City.
Investigators said the shooting followed a confrontation between a young man and a school administrator about 9:40 a.m., CBS said.
Police had yet to determine whether the gunman acted alone.
Officers and teachers led children, many of them crying, to a staging area at a nearby firehouse where parents picked them up, the Hartford Courant reported.
"We ran down to the firehouse and there was a man pinned down with handcuffs on," a young boy told CNN.
"Who would do this? What kind of person would do this?" screamed a young man whose sister attended the school.
Another young man said his sister heard several loud booms, MSNBC reported.
The Newtown Bee reported numerous ambulance crews were on the scene but a triage nurse told CNN they were sent away.
"We were told there was nothing for them to do," she said.
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