The City of Melvindale is reporting that a gas explosion is forcing the evacuation of parts of the city early Saturday morning."The gas line at Allen Road and Elizabeth exploded. People in that area are being evacuated. As soon as I have more information I will update you," said a message posted to the city's Facebook page.A subsequent post went on to read: "At this time the Fire Department is evacuating everything North of Elizabeth as a precautionary."The Melvindale Police Department posted to Facebook these instructions to people in the area:"There is a fire at Allen and greenfield. If you live on Robert, Harman, Hanna, wood, Henry prospect Ruth or reed NORTH of Elizabeth. Please evacuate. Inter city baptist is open."