Copenhagen shopping centre shooting leaves 3 people dead and 3 in critical condition.

Three people were killed and several others injured, three of them critically, during a shooting at a Copenhagen shopping mall

"A man in his 40s and two teenagers were killed" in the shooting at Field's Shopping Center located in the Amager district

At around 5.35 p.m. on Sunday evening, police received a call regarding the incident..

At 5.48 p.m., a 22-year-old Danish man in possession of a rifle and ammunition was arreste d outside the shopping mall,Copenhagen Chief Police Inspector Soren Thomassen said

The motive for the shooting remains unknown and the suspect will face questioning by a judge on Monday.

Thomassen said the police cannot rule out the possibility of a terror attack so far.

On Sunday night, Prime Minister Mette Frederiksen said Denmark had suffered a cruel attack.

"We do not yet know the full extent of the tragedy, but it is already clear that more people have lost their lives and that even more have been injured," said the joint statement by Queen Margrethe, Crown Prince Frederik and Crown Princess Mary.

Denmark's royal family said their "deepest sympathy" was with "the victims, their relatives and all those who are affected by the tragedy".

The gunman was later killed in a shootout with police.