Officials are calling the deaths a "tragic accident" that happened after one of the dogs chewed through a power cord attached to an air-conditioning unit at the Green Acre boarding business.
MCSO said the dogs died of heat exhaustion, though more details are expected to come as the investigation continues.
It appears at least one of the dogs managed to chew or somehow pierce the home's wall and cut cords that run electricity to that portion of the home, which has multiple AC units.
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