Parents, students in shock as details emerge
Anthony Baracey holds flowers honoring victims of the Sandy Hook Elementary school killing before a vigil at the Saint Rose of Lima church in Newtown, Connecticut.Shannon Stapleton
A law enforcement official carries a weapon as he walks past firefighters and parents with their children after a shooting at the Sandy Hook Elementary School in Newtown, Connecticut.Frank Becerra Jr.
A woman hugs her daughter after being reunited at the Sandy Hook firehouse following a mass shooting at the Sandy Hook Elementary School.Frank Becerra Jr.
People react as they walk near the scene of a shooting at Sandy Hook Elementary School in Newtown, Connecticut.The New York Times
A U.S. flag flies at half mast as a school bus drives past in the town of Newtown, Connecticut after a shooting nearby at Sandy Hook Elementary School.Lucas Jackson
The families of victims grieve near Sandy Hook Elementary School, where a gunman opened fire on school children and staff in Newtown, Connecticut.Adrees Latif
A woman leans on a man as she weeps outside a building set up to counsel family members affected by a shooting nearby at Sandy Hook Elementary School in Newtown, Connecticut.Lucas Jackson
Mental health and grief counsellors walk toward the scene of a shooting at Sandy Hook Elementary School in Newtown, Connecticut.Karsten Moran
U.S. President Barack Obama speaks about the shooting at Sandy Hook Elementary School in Newtown, Connecticut, during a press briefing at the White House in Washington.Larry Downing
People embrace at a firehouse staging area for family near the scene of a shooting at the Sandy Hook Elementary School in Newtown, Connecticut.Jessica Hill
A woman waits to hear about her sister, a teacher, following a shooting at the Sandy Hook Elementary School in Newtown, Connecticut.The New Haven Register, Melanie Stengel
A boy weeps as he is told what happened after being picked up at Reed Intermediate School following a shooting at Sandy Hook Elementary School in Newtown, Connecticut.Lucas Jackson
State Police are on scene following a shooting at the Sandy Hook Elementary School in Newtown, Connecticut.Jessica Hill
Police search a building after a shooting at Sandy Hook Elementary School in Newtown, Connecticut.WNBC
Parents pick up their children after the shooting at Sandy Hook Elementary School in Newtown, Connecticut. “Everyone was in hysterics - parents, students,” parent Brenda Lebinski said of the scene after the shooting. “There were kids coming out of the school bloodied. I don’t know if they were shot, but they were bloodied.”Jessica Hill/The Associated Press
Relatives react outside Sandy Hook Elementary School.MICHELLE MCLOUGHLIN/Reuters
A woman waits to hear about her sister, a teacher, following a shooting at the Sandy Hook Elementary School in Newtown, Connecticut.Jessica Hill/The Associated Press
Young children wait outside Sandy Hook Elementary School after a shooting in Newtown, Connecticut, December 14, 2012.MICHELLE MCLOUGHLIN/Reuters
Parents pick up their children after the shooting.MICHELLE MCLOUGHLIN/Reuters
A woman carries her daughter following a shooting at Sandy Hook Elementary School in Newtown, Connecticut.MICHELLE MCLOUGHLIN/Reuters
A young boy is comforted outside Sandy Hook Elementary School after a shooting in Newtown, Connecticut.MICHELLE MCLOUGHLIN/Reuters
Parents pick-up children outside Sandy Hook Elementary School after a shooting in Newtown, Connecticut.Michelle McLoughlin
Family members embrace each other outside Sandy Hook Elementary School after a shooting in Newtown, Connecticut.Adrees Latif
State police personnel lead children from the Sandy Hook Elementary School in this handout picture from the Newtown Bee, in Newtown, Connecticut.Newtown Bee/Shannon Hicks
A young girl is given a blanket after being evacuated from Sandy Hook Elementary School following a shooting in Newtown, Connecticut.MICHELLE MCLOUGHLIN/Reuters
Parents pick up their children near Sandy Hook Elementary School in Newtown, Connecticut, December 14, 2012.MICHELLE MCLOUGHLIN/Reuters
Police patrol the streets outside Sandy Hook Elementary School after a shooting in Newtown, Connecticut.ADREES LATIF/Reuters