An American flag covered with numbers representing the people that died when a gunman opened fired at Sandy Hook Elementary School was displayed.

A sign on a post showed support for the victims.

Sandy Hook firefighters hung bunting on their firetruck.

Candles commemorating the victims burned during a vigil in Oakland, Calif.

Mario Buda lit candles during a vigil in Oakland, Calif.

Mourners gathered inside the St. Rose of Lima Roman Catholic Church in Newtown at a vigil service.

Mourners watched from outside the St. Rose of Lima Roman Catholic Church.

A woman prayed at the vigil at St. Rose Church in Newtown.

The American flag flew at half-staff in Newton, Conn.

People attended a prayer service at a local coffee shop in Newtown.

A vigil was held outside the White House in Washington, DC.

People prayed at a candlelight vigil in Los Angeles in memory of those killed.