At least 3 men and women are dead and 5 injured immediately after a shooting on a tram in the Dutch city of Utrecht on Monday, in what police are investigating as a doable terrorist attack.

Authorities have arrested 1 suspect, 37-year-old Gökmen Tanis, whom they think to be “associated with the incident” in Utrecht.

The city’s mayor, Jan van Zanen, mentioned Monday that “likely there is 1 attacker, but there could be much more.” Utrecht is on lockdown as police carry out their investigation.

This story is nonetheless building. Here’s what we know so far.

What we know

  • The attack unfolded at around 10:45 am nearby time in Utrecht, Netherlands, on a tram close to the October 24 Square.

  • At least 3 men and women have died and 5 had been injured immediately after a shooter opened fire, Utrecht police confirmed Monday.
  • The gunman fled the location immediately after the attack, and police are investigating no matter if the suspect had accomplices, mentioned Dutch police spokesperson Joost Lanshage, according to the Wall Street Journal.
  • Utrecht police mentioned they are investigating the shooting as a doable terrorist attack. Officials in the Netherlands raised the threat level in Utrecht to its highest classification for the initially time ever in the wake of the shooting, according to the Dutch newspaper De Telegraaf.
  • Police have now arrested the chief suspect in the attack, an person they’ve identified as Gökman Tanis, who is a 37-year-old Turkish-born man. Police mentioned Tanis is “associated with the incident.” The photo was taken by surveillance footage moments just before the shooting.

What we do not know

  • The motive of the attack
  • No matter whether there are other suspects involved
  • The names of the victims