What is known about the Copenhagen attack, where some people were killed

An armed person has opened fire Sunday in a shopping mall in Denmark's capital, causing several people to die. Danish police reported that they had arrested a 22-year-old Danish citizen and that they did not rule out the possibility that it could also be a <x0Qt terrorism”.

Authorities have not provided further information on the detainee or the potential number of wounded.

Copenhagen police announced that numerous security forces have been sent to the “Fiedd” shopping centre after reports of shooting guns. Authorities urged people to help with images shot at the moment of attack or other information related to the event.

Local media published several images showing heavily armed police officers at the scene, as well as people leaving the mall quickly.

Authorities advised people to stay away from the area as well as wait for police assistance if needed. / VOA