Smoke billowed out from a building at West Main and North Bridge Streets in Somerville Tuesday afternoon after a fire apparently broke out in a restaurant. The fire appeared to originate from the King Tut restaurant at 6 Main Street as several alarms sounded to respond to the fire around 2 p.m. Tuesday. Hillsborough Township, Country Hills, Martinsville and Finderne fire departments could be seen responding to the blaze as smoke billowed, most heavily from the rear of the building. The Somerville Police Department posted a warning for the public to stay away from the area of West Main Street a…