Search underway for brother of Kristin Cavallari, Michael, in Utah

GRAND COUNTY, Utah (WLS) -- A search is underway for the brother of actress Kristin Cavallari and brother-in-law of Chicago Bears quarterback Jay Cutler.

ABC7's sister station in Utah reports authorities have been looking for Michael Cavallari since Nov. 27 when his car was found abandoned near a road in Grand County.

His sister Kristin just delivered her third child with Cutler on Nov. 23.