In December the most serious terror operation ever uncovered in Denmark before the 2015 Copenhagen shootings was thwarted by a successful cooperation between security services in Denmark and Sweden . Police , accompanied by bomb experts , conducted several raids and detained five men , who were described as militant islamists . Automatic weapons , together with ammunition and silencers , were seized by the police . Plastic strips to use as handcuffs were also found
2015 Copenhagen shootings
2015 Copenhagen shootings
2010 Copenhagen terror plot