Deadly Elementary School Shooting in Connecticut

A boy is comforted outside Sandy Hook Elementary School after a shooting in Newtown, Connecticut, December 14, 2012.

A police officer keeps guard from a hill top over looking Sandy Hook Elementary School. At least 20 people, including children, were killed on Friday when a shooter opened fire.

Parents leave a staging area after being reunited with their children following a shooting at the Sandy Hook Elementary School.

This satellite image provided by Google shows the Sandy Hook Elementary School in Newtown, Connecticut.

A woman waits to hear about her sister, a teacher, following a shooting at the Sandy Hook Elementary School in Newtown, Connecticut.

The scene at Sandy Hook Elementary School in Newtown, Connecticut, December 14, 2012.

White House press secretary Jay Carney told reporters that President Barack Obama is receiving updates on the situation in Connecticut during the daily press briefing at the White House in Washington.

Family members embrace each other outside Sandy Hook Elementary School.