The Latest on chemicals in a motel room where a man died and officers were exposed (all times local):

8:30 p.m.

Police outside Atlanta now say three officers will recover after being sickened by chemicals in a motel room where a body was found.

Dekalb County Police spokeswoman Shiera Campbell says the three hospitalized officers are conscious and alert.

She also tells the Atlanta Journal Constitution that the death at the extended-stay motel is not being treated as a homicide.

Police think the chemical killed the man, but they don't know yet what chemical it is, or whether the man was exposed accidentally or on purpose.

Fire Capt. Eric Jackson said samples of a substance were recovered by a hazardous materials crew, and an autopsy will be performed by the medical examiner.

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6:30 pm

Several officers are being treated at a hospital in DeKalb County, Georgia, after they were sickened by a chemical odor emanating from a motel room with a dead body.

DeKalb County police spokeswoman Shiera Campbell tells multiple media outlets that emergency crews evacuated the motel's third floor on Saturday.

Campbell says responding officers smelled a chemical odor that began to make them sick, and two or three were sent to an Atlanta-area hospital to be checked out.

Investigators said the cause of the odor is unknown. Fire investigators took samples from inside the room where the body was found to try to figure out the cause.

Hazardous materials crews are on the scene.