FRESNO, Calif. (KMJ/KFSN) — A foul-smelling situation outside a popular northeast Fresno restaurant prompted a response from hazmat and environmental health teams. Fresno fire crews say Heirloom’s grease trap system malfunctioned and spilled into the parking lot before 8 p.m. Tuesday. The cooking fats and oils made for a slippery situation and had a terrible…… MORE