Oklahoma bombing anniversary

Chattanooga, TN (WDEF)-

Sunday, April 19, 2015 marks the 20th anniversary of the Oklahoma City Bombing.

The event remains the deadliest act of domestic terrorism in United States history.

On that day in 1995, a massive explosion ripped through the north side of the Alfred P. Murrah Building in downtown Oklahoma City, killing 168 people, including 19 children.

Officials estimate that almost 400-thousand people in Oklahoma City knew someone who was killed or injured in the bombing.