Dutch police on June 15 arrested an 18-year-old man for allegedly disseminating IS propaganda, including violent videos. This was reported by the Office of the Public Prosecutor on Wednesday. The police also has reason to believe that the man instructed others on how to make explosives, and the man is suspected of possible involvement in a terrorist offense. The investigation is based on information that was provided by the Dutch intelligence services. The suspect was sent before a judge in Rotterdam on Tuesday, and he was ordered detained for two weeks.