Danish police do not rule out the Copenhagen attack as a "terrorist act"

Danish police said a gunman killed three people and wounded others, three of them in critical condition, in one of the country's largest shopping malls.

The Danish royal family said it expresses its "sympathy to the victims, their relatives and all those affected by the tragedy".

"We do not yet know the full extent of the tragedy, but it is already clear that many more have lost their lives and many more have been injured," a statement on behalf of Queen Margaret, Crown Prince Frederick and Princess Mary said.

Police say there is no indication that other attackers are involved and have urged shop owners to keep any surveillance video they may have.

They described the suspect as "of Danish origin".

Fields is said to be Denmark's largest multi-storey shopping mall, with more than 140 shops and restaurants.

It is located on the outskirts of Copenhagen, opposite an underground line that connects to the city centre.

Eyewitnesses spoke of panic among shoppers with the sound of gunshots.

"She didn't know what was going on. Suddenly there was chaos everywhere," Emily Jepsen told Jyllands-Posten.

Fields is Denmark's largest shopping mall, with more than 140 shops and restaurants.

British singer Harry Styles was due to perform at a venue less than a mile from the mall later on Sunday night.

Organizers wrote on Facebook that the event will take place after close coordination with the local police.

Another witness, Mahdi al-Wazzani, told Channel 2 TV that the shooter was carrying a "hunting rifle".

"My team and I are praying for everyone involved in the Copenhagen shopping mall shooting. I am shocked. I love it," Styles wrote on Snapchat.

Shortly after the shooting, the Danish royal family announced the cancellation of a reception that was scheduled to be hosted by Crown Prince Frederik.

The event was organized to celebrate Denmark's hosting of the first three stages of the Tour de France.

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