VATICAN CITY, March 25 (Reuters) - Pope Francis on Saturday updated rules on dealing with sexual abuse in the Roman Catholic Church, expanding their scope to include lay Catholic leaders and spelling out that both minors and adults can be victims. About 25 people, mostly former nuns, have accused Father Marko Ivan Rupnik, 69, a well-known religious artist of various forms of abuse, either when he was a spiritual director of a community of nuns in his native Slovenia about 30 years ago, or after he moved to Rome to pursue his career as an artist. See here for a complete list of exchanges and delays