A 13-year-old has been charged by counter terrorism detectives over an alleged violent plot targeting a local school.Police arrested the boy Thursday morning after reports of a male armed with a knife threatening occupants of a business in Maryborough, Queensland.He was dealt with under the Youth Justice Act for one count each of attempting to enter premises with intent, going armed so as to cause fear, making threats and possessing a thing intended for use in connection with an offence.After further investigation, detectives from Queensland’s counter terrorism investigation group and Maryborough child protection investigation unit executed a search warrant at...