Dutch hold student, close schools after shooting threat AMSTERDAM (Reuters) - Dozens of schools in the Netherlands were closed on Monday and thousands of students stayed at home after an anonymous person left a message on the Internet threatening a shooting spree, police said. Police detained a former student of the British School in the Netherlands near Leiden on suspicion of making the threat, the force said in a statement. The person who posted the message said they intended to "shoot my Dutch teacher and as many students as I can" at the school. Reporting By Anthony Deutsch; Editing by Andrew Heavens