CENTREVILLE, Mo. (KMOX) – Centreville police are not answering questions about their police dog who died on the job during the heat wave.

Centreville Police Chief Steven Brown did not return calls from KMOX seeking new information on what happened to Altof, a German Shepard who had to be euthanized over the weekend, apparently due to heat stress.

The Belleville News Democrat was reporting that an internal police investigation was underway to determine the sequence of events leading up to the dog’s medical emergency.

Altof was reportedly out in the heat Friday working narcotics arrests.

The temperature that day reached 106 and witnesses told the paper the dog was left inside a police SUV for a long time