Fairfield–At 10:40pm a call went out for a structure fire at 55 Sigwin Street (off Jennings Road). Upon arrival fire department found nothing but the two occupants waiting outside the home. The call turned out to be a “strong odor of burnt hamburgers on the second floor. Fire officials conducted a complete search of the home inside, outside as well as adjacent homes. Firefighters used thermal image cameras in the investigation and found nothing for the cause of the odor.