A Lehigh County restaurant is closed Tuesday after a fire broke out overnight. Crews were called around 1 a.m. Tuesday to the Steak 'n Shake on Main Street in Fogelsville, Upper Macungie Township. Firefighters were on scene for about an hour and a half fighting the flames. The Fogelsville Fire Company said the fire was in the kitchen and the building filled with smoke. The restaurant said Steak 'n Shake will not be open Tuesday and may not reopen again until Friday. Crews are cleaning up the damage. No injuries were reported. Fire crews are investigating what caused the fire.