Authorities in Germany say a 15-year-old boy has been arrested on suspicion of planning and preparing a terror attack. Prosecutors in Duesseldorf said the teenager was detained on Tuesday during a search at his home. They say a court in nearby Leverkusen ordered him kept in custody on Wednesday. The prosecutors say they can't give more details for now. German news agency dpa, citing unidentified security sources, reported that the 15-year-old and a 16-year-old in Brandenburg state were arrested after allegedly discussing carrying out an attack on “infidels. The news agency says the younger suspect allegedly named a synagogue and a Christmas market as possible targets. It isn't clear how serious the alleged plans were.