Troy police say Tamela Peterson ran away when asked for her cellphone after Thomas Cooper died in a hyperbaric chamber fire at the Oxford Center.

Four people have been charged in the death of a 5-year-old boy who was killed inside a pressurized oxygen chamber that exploded at a suburban Detroit medical facility.

Police in Michigan have arrested four people after a 5-year-old boy receiving treatment at The Oxford Center died when the hyperbaric chamber he was in exploded.

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.

The child who died in the Jan. 31 hyperbaric oxygen chamber fire was 5-year-old Thomas Cooper, of Royal Oak. He was trapped in the chamber when it caught fire, the family's attorney says.

Troy police said arrests Monday were tied to Jan. 31 fire that killed Thomas Cooper. The boy, 5, was inside the chamber when it exploded.

An Oakland County health clinic where a 5-year-old boy was killed when a hyperbaric chamber exploded reportedly has a history of fraud investigations, evidence tampering and witness intimidation.

Four people have been arrested after a boy, 5, died in a hyperbaric chamber explosion on Jan. 31, it's been reported.

The CEO of the Oxford Center in Troy is accused of sending texts mocking a 5-year-old boy while he was on fire after a hyperbaric chamber exploded. Tamela Peterson and three other employees have been charged in connection with the explosion that killed Thomas Cooper.