Shannon Stapleton/Reuters

People stood outside a vigil in Newtown, Conn. following an attack at the Sandy Hook Elementary School, where a gunman killed 27 people, including 20 children and himself.

Andrew Gombert-Pool/Getty Images

Hundreds of mourners gathered inside at the Saint Rose of Lima church for the vigil service for victims.

Adrees Latif/REUTERS

The families of victims grieved.

DON EMMERT/AFP/Getty Images

People reacted near the school on Friday.

Shannon Hicks/Newtown Bee/AP

Connecticut State Police led children from the school shortly after the shooting.

Barry Chin/Globe Staff

Boston School Superintendent Dr. Carol R. Johnson visited the Warren Prescott Elementary School in Charlestown, Mass. to speak with parents regarding the Newtown shooting.

Associated Press

President Obama wiped away tears as he spoke of the shootings.

Frank Becerra Jr./The Journal News/AP

Parents walked away from the Sandy Hook Elementary School with their children.

REUTERS

A young boy was comforted outside the school.

Associated Press

A woman waited to hear about her sister, a teacher, following a shooting at the school.