Authorities are investigating after a man was found dead under a fallen tree in northwestern Minnesota on Wednesday.

A 78-year-old man was found pinned under a tree just before 11 a.m.

According to authorities, crews tried life-saving measures, but the man was pronounced dead at the scene.

The sheriff’s office said the cause of death appears to be accidental. No further information about the man is being released until his family are notified.

The case is still under investigation by the Douglas County Sheriff’s Office.