“A young boy tried to set off a nail bomb at a Christmas market in Ludwigshafen, but the device failed to detonate, prosecutors have confirmed. The boy, a German citizen of Iraqi heritage, attempted to blow up the device at the Ludwigshafen Christmas market on November 26th. When the device failed to detonate he gave up, before trying again on December 5th, prosecutors said on Friday.”
Source: 12-year-old attempted to bomb Christmas market in south Germany: prosecutors – The Local