A shooting Sunday at a Shiite Muslim shrine in Iran's south killed at least one person and wounded eight others, state media reported, revising down a previous toll of four fatalities.The attack comes less than a year after a similar one on the same holy site, the Shah Cheragh mausoleum in the Fars province capital Shiraz."One person has been killed and eight others wounded in the attack," official news agency IRNA reported, quoting deputy Fars governor Esmail Ghezel Sofla.