Dow Jones: A Federal Aviation Administration no-fly zone is in place over Mayflower, Ark., where a ruptured pipeline leaked thousands of barrels of oil into a residential neighborhood. The temporary flight restriction has been place since Monday, according to the FAA website. Lynn Lunsford, a spokesman for the FAA, said it applies only to aircraft operating below 1,000 feet above the ground. Mr. Lunsford said local disaster response officials requested the restriction on flights because they are using "at...