Dutch police are actively hunting for a “37-year-old Turkish man” after a lone-gunman opened fire on a commuter tram in the city of Utrecht Monday; killing at least three people and injuring nine in what authorities describe as an “apparent terror attack.”

“Three people died and nine were injured on Monday in a shooting on a tram in the Dutch city of Utrecht, which the authorities called a possible terrorist attack, and a manhunt was underway for a gunman who escaped the scene,” reports the New York Times.

The police asks you to look out for the 37 year old Gökman Tanis (born in Turkey) associated with the incident this morning at the #24oktoberplein in #Utrecht. Do not approach him but call 0800-6070. pic.twitter.com/U1IWEDtUYu — Politie Utrecht (@PolitieUtrecht) March 18, 2019

“The Netherlands’ main counterterrorism agency raised its assessment of the threat in Utrecht province, just southeast of Amsterdam, to the highest level, and said it had activated a crisis team. The Dutch paramilitary police increased security at airports and other vital infrastructure points,” adds the report.

This is a developing story. Check back for updates.