The Dutch government has raised the highest threat level 5.
The police have also instructed the schools to keep their doors locked. Securities have been increased at the schools, mosques, and transportation hubs after the shooting.
The police have there was just one gunman but they are not ruling out the possibility there might be others.
The gunman escaped in the car.
The shooting took place around the 24 Oktoberplein junctions at about 10:45 local time (09:45 GMT).
Three helicopters have been dispatched to provide help to the victims of the Utrecht shooting.
One eyewitness said the man started shooting widely.
Another eyewitness said he saw one injured woman with blood on her clothes and hands. He also said he brought the injured woman into his car and helped her. She was unconscious when the police arrived.
It is still not known the exact number of people who were injured. It is also not known how seriously they were injured.
The spokesman for the police in central Holland said the shooting was over but the police operations were still ongoing.
Witnesses have also said they hear multiple shootings.
It is a serious and worrying situation and due to Utrecht shooting, The Prime Minister Mark Rutte has canceled his weekly coalition meeting.
Security measures are being taken in Netherlands at various locations.