A house explosion took the life of one child and injured three others in Oklahoma City Thursday morning. Oklahoma City and Edmond Firefighters were called to investigate just before 7 a.m. Authorities said the blast could be heard from more than 30 miles away. Four people were inside the home when it exploded. Three of them were sent to the hospital, while the other victim, a child, was pronounced dead on scene. Officials say that three nearby homes were damaged from the blast as well. It remains unknown what the cause of the explosion was.