An electrical issue is the suspected cause of a fire that destroyed a portable classroom at Camino Real Elementary late Monday, which officials have ruled was accidental.

Kyle Taylor, Kyle Fire Department chief, said first responders were dispatched to the campus, located on Las Brisas Blvd. near Niederwald, at around 11:15 p.m. Monday. When firefighters arrived, one of four portable buildings behind the school was in flames, Taylor said. The structure was a total loss, but no other portables we...