NEWTON, Conn. - ABC News is reporting that the son of a teacher walked into a school in Connecticut on Friday morning and shot and killed 27 people, including 20 children and his mother.
Law enforcement sources told the network the shooting is "a tragedy of epic proportions."
The shooting was reported Friday morning at 7:30 MT at Sandy Hook Elementary School in Newtown, in western Connecticut. A SWAT team was among the throngs of police to respond including on-duty and off-duty state police officers.
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A parent who was inside the school at the time of the attack told CNN she heard what sounded like at least 100 rounds being fired.
Sandy Hook Elementary School has 450 students in kindergarten through 4th grade, making the kids in the school between 5 and 10 years old.
One gunman dead, another suspect possibly in custody
"The shooter is deceased inside," said a state police spokesman.
ABC News is reporting that the gunman has been identified as Ryan Lanza, 24, of New Jersey. ABC said he took his own life. A state police spokesman said the suspect's body is in a classroom at the school.
CBS News is reporting the suspect's mother was a teacher at the school. ABC News is reporting that she died at the school. The network is also reporting that a dead body was found in Lanza's home. Reports said the victim may be Lanza's father.
Lanza is 24-years-old. ABC said he was armed with four weapons and wearing a bullet-proof vest. (Follow a live blog on ABCNews.com .)
CBS News reported that a second individual was in custody. CNN said police were questioning another man but are not calling him a suspect.
“The scene is secure. The public is not in danger,” said Connecticut State Police spokesman Paul Vance. He did not say if second person was in custody.
Injured taken to nearby hospital
In addition to the dead, it's not clear how many others were injured in the shooting. An ambulance dispatcher said a teacher was shot in the foot and was taken to Danbury hospital.
Danbury Hospital said it treated three people. Danbury Mayor Mark Boughton told WABC the three victims in hospital are in “very serious condition.”
Children evacuated from the school
The Newtown Bee newspaper posted a photo of a group of young students -- some crying, others looking visibly frightened -- being escorted by adults through a parking lot in a line, hands on each other's shoulders.
One parent told ABC News that the children were told to cover their eyes as they were escorted out of the school.
One woman told reporters it was "the happiest moment" of her life when she found her own 8-year-old daughter safe.
The 17-year-old brother of a 9-year-old girl at the school said he raced to the school, and found she was OK. He said his sister heard a scream come over the intercom at one point. The teen said teachers were shaking and crying as they came out of the building.The father of an 8-year-old girl who goes to the school said his daughter heard two big bangs there this morning, and teachers then told her to get in a corner.
Stephen Delgiadice said his daughter is fine.
Delgiadice said the shooting was "alarming" -- especially in a community that he always considered "the safest place in America."
Newtown, Conn. is about 75 miles from New York City.
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