Authorities in the northern Twin Cities suburb of Mounds View, Minnesota, report there is "a significant police presence" in the city Friday afternoon.
Just after 3 p.m., the Mounds View Police Department said the law enforcement activity was centered at 8400 block of Red Oak Drive.
"Please avoid the area at this time to allow officers to work safely and efficiently," the department said.
WCCO has a crew headed to the scene and will update this story.