. >>> a deadly brain-eating omeana in tap water led a louisiana town to declare a state of emergency. some say the water is safe to use. >>> plus, pope francis again challenging catholic church tradition, why a mass marriage performed is an example of changes that are just too >>> about 12,000 people in a small louisiana town are exposed to a potentially deadly brain-eating omeana in their -- omeba in their top water. officials say it's safe for touring and drinking as long as it does not get into the nostrils. >> reporter: residents of st. john the baptist parish are desperate for answers after a broken-eating omeba was found in the water supply. more than 12,000 could be affected. at a community meeting parish leaders tried to calm their fears. >> we apologise for the actions or misactions leading to the emergency. we are committed to making sure the water is safe for now and in the future. >> parish leaders took action when notified of the problem. the water is treated with a 60-day chlorine burn. a process used to make the water safe to drink. >> a community gathering had angry re