The Minnesota Department of Transportation says all lanes of I-94 are open after what they called a serious crash caused them to temporarily close Thursday morning in the northwest Twin Cities metro.

The close happened in the area of Dayton Parkway, between Maple Grove and Rogers.

Traffic management cameras in the area showed a semi off to the side, and severe delays of nearly an hour were being reported.

5 EYEWITNESS NEWS reached out to the Minnesota State Patrol for details, who said a Maple Grove Officer had been injured in a crash that occurred around 4:52 a.m. The State Patrol said the officer had been responding to a separate crash involving a semi when he was hit from behind.

The officer was sent to North Memorial Hospital for what the Minnesota State Patrol said were non-life-threating injuries. The agency adds the driver of the passenger car which hit the squad wasn’t injured, and the investigation into that crash is still ongoing.

Meanwhile, authorities say no one was injured in the semi crash, which happened along eastbound I-94 near Highway 610 just before 4:30 a.m.

An interactive traffic map showing current conditions can be found below.