The Danish police said the 22 -year -old suspect was shooting at the Copenhagen shopping center with a history of mental treatment.

The suspect is known as the person who used psychotic treatment services, in addition I did not want to comment further, the police chief of Copenhagen Soren Thomassen said at a press conference on July 4.

Police outside the scene of the shooting at Field's Trade Center in Copenhagen, Denmark, on July 4.

Thomassen added that the victims seemed to be randomly targeted and showed no signs that this was a terrorist act.

In videos shared on social networks from the evening of July 3, the suspect posed with guns, simulating suicide gestures and saying that mental medicine did not work.

YouTube and Instagram accounts are believed to be locked by the suspect.

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The 22 -year -old gunman at Field's Trade Center in Copenhagen on the afternoon of July 3 killed three people, including two Danish citizens and one Russian citizen.

In February 2015, a shooting incident in Copenhagen involved the Islamic factor killed two people and 5 injured.

The shooting in Field's commercial center in Copenhagen of Denmark caused at least three deaths and two injured.

Witnesses said the suspect carried a rifle to hunt people in the Field's Trade Center in Copenhagen, causing chaos.