LAKEVILLE, Minn. (AP) - A multi-car pileup has closed northbound Interstate 35 in Lakeville.

The Minnesota Department of Transportation says the crash happened shortly before 1 p.m. Friday near the County Road 50 exit.

MnDOT cameras show at least one flipped car, at least one commercial truck involved and several vehicles in the ditch on the left side of the interstate.

Reports say it's not immediately known if there were any serious injuries or fatalities.

Snow began accumulating shortly after noon Friday.

Traffic is being re-routed. It's not known how long the freeway would be closed.