Fargo police officer killed, 2 critically injured in shooting; suspect also dead

A police officer was killed and two others critically injured in a shooting in Fargo, North Dakota.
The suspect opened fire on the officers before being fatally shot by police.
Two civilians were also wounded, including one seriously.
The identities of the officers and suspect have not been released yet.
An investigation into the shooting is ongoing, with a press conference planned to provide more details.