A policeman walks in front of a tram where a gunman opened fire killing at least three persons and wounding several in what officials said was a possible terrorist incident, on March 18, 2019 in Utrecht. – Dutch police arrested a Turkish-born suspect on March 18, after they had earlier launched a huge manhunt for Gokmen Tanis, 37, issuing a picture of him on the tram and warning the public not to approach him. (Photo by JOHN THYS / AFP) NETHERLANDS-EMERGENCY-SHOOTING-ATTACK
