A 72-year-old woman was killed and two others were injured when a Denny’s restaurant sign in Kentucky fell from its post and crashed onto an occupied car below.Police responded to a Denny's on the 2000 block of North Mulberry Street in Elizabethtown around 1:30 p.m. Thursday on a report of the fallen sign.Photos show the sign on top of a blue vehicle, crushing in parts of the roof.An investigation into what caused the sign to fall is underway, but police said fierce winds likely contributed to the incident.Peak wind gusts of 45 to 55 mph were observed across parts of Kentucky on Thursday, the National Weather Service office in Louisville said."