President Prosper Avril has been arrested on charge of ______.

Former Haitian President Prosper Avril has been arrested in the capital, Port-au-Prince, on charges of plotting against the state.
   Family members of Mr. Avril told Reuters News agency Saturday that the former leader was seized by police in the suburb of Potion-Ville as he signed copies of his new book about Haitian crime victims. No other details about the incident were given.
   Mr. Avril came into power in 1998 during a military coup. He is the second politician to be arrested in the past week outside President Jean-Bertrand Aristide’s ruling Lavalas Family Party.