DUNWOODY, Ga.—Gas has been temporarily turned off at an apartment complex in an Atlanta suburb where a building partially collapsed during a weekend explosion, sending four people to the hospital. Atlanta Gas Light said inspectors have identified appliance and fuel line issues within the buildings. Officials said they have been directed by the Dunwoody City Code Officer to suspend all-natural gas service to the entire complex until all units are inspected and deemed safe. The company told WSB-TV that one of its crews was headed to the complex, in response to a call from someone who reported smelling gas, when the explosion occurred. “Atlanta Gas Light is committed to delivering safe and reliable natural gas service to our customers,” it said. “Upon arrival, we began coordinating with first responders, turning off the natural gas connected to the impacted units and performing safety checks. At this time, we have not identified …