The Vatican has arrested two members of a commission set up by Pope Francis to advise him on economic reforms on suspicion of leaking secret documents.<br />Monsignor Lucio Ángel Vallejo Balda, a high-ranking Spanish clergyman, and Francesca Chaouqui, an Italian laywoman and public relations expert, were arrested after a months-long investigation into the dissemination of "news and confidential documents" to two writers of forthcoming books, the Vatican said.<br />No further information about the nature of the documents was released.<br />The Vatican described the leaks as a "serious betrayal of the trust bestowed by the pope".