Charges have been filed against four people in the Troy hyperbaric chamber explosion that killed a child. The Pulse discusses what regulations need to come to prevent another tragedy.

Thomas Cooper was pronounced dead at the scene on Jan. 31 at the Oxford Center in Troy. His mother suffered burn wounds as she tried to save her boy.

His mother was standing next to the chamber and suffered injuries to her arms when it exploded Jan. 31 Troy. Online court records show the center’s founder and chief executive, Tamela Peterson, is charged with second-degree murder.