Dutch police have arrested a former student of the British School in Leiden following online threats to go on a shooting rampage.<br /><br />Schools were closed down in Leiden after the authorities failed to trace the source of the threat launched on internet forum 4chan. <br /><br />Around 20 schools were closed and armed police were on site as a precaution.<br /><br />...<br />http://www.euronews.net/
