Japanese police tightened security Friday after the executions of the founder and six former senior members of the AUM Shinrikyo cult earlier in the day fanned fears about potential retaliation by followers.The police dispatched personnel to the Justice Ministry, areas near the facilities of three groups founded by former members of the cult, as well as the Tokyo Detention House, where the 63-year-old cult leader, Shoko Asahara, was held before his execution.A senior official of the public security bureau at the Metropolitan Police Department expressed caution, saying AUM followers are "sti…READ FULL ARTICLE