GULFPORT, Miss. (AP) - A cloud of ammonia leaked from a chemical plant early Sunday, forcing tourists to evacuate eight hotels along the Gulf Coast. Authorities said it appeared someone had tried to steal the chemical, possibly to make illegal drugs. Gulfport-Biloxi International Airport was also shut down for seven hours, and several churches canceled or postponed Sunday services after police advised residents to stay indoors. A couple of emergency workers had to be treated but no other injuries were reported, police Sgt. Joseph Ashmore said. Anhydrous ammonia, used to make fertilizer, is highly explosive. Exposure irritates the skin and...